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Fort Sumter https://www.history.com/topics/american-civil-war/fort-sumter

Emancipation Proclamation https://www.pbs.org/newshour/nation/emancipation-proclamation

Battle of Gettysburg https://www.history.com/topics/american-civil-war/battle-of-gettysburg

Appottamox Courthouse https://www.nps.gov/apco/index.htm

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Construction and Design

Fort Sumter was first built in the wake of the War of 1812, which had highlighted the United States' lack of strong coastal defenses. Named for Revolutionary War general and South Carolina native Thomas Sumter, the fortification was one of nearly 50 forts built as part of the so-called Third System, a coastal defense program implemented by Congress in 1817.

The three-tiered, five-sided fort's coastal placement was designed to allow it to control access to the vital Charleston Harbor. While the island itself was only 2.4 acres in size, the fort was built to accommodate a garrison of 650 soldiers and 135 artillery pieces.

Did you know? There were no casualties during the Confederate bombardment of Fort Sumter at the start of the Civil War. The only Union deaths came during the evacuation: One soldier was killed and another mortally wounded in an accidental explosion during a planned 100-gun salute.

Construction of Fort Sumter first began in 1829 in Charleston Harbor, South Carolina, on a manmade island built from thousands of tons of granite. Building ground to a halt in the 1830s amid a dispute over ownership of the stretch of the harbor, and did not resume until 1841. Like many Third System fortifications, Fort Sumter proved a costly endeavor, and construction slowed again in 1859 due to lack of funding. By 1860 the island and the outer fortifications were complete, but the fort's interior and armaments remained unfinished.

Fort Moultrie

Construction of Fort Sumter was still underway when South Carolina seceded from the Union on December 20, 1860. Despite Charleston's position as a major port, at the time only two companies of federal troops guarded the harbor. Commanded by Major Robert Anderson, these companies were stationed at Fort Moultrie, a dilapidated fortification facing the coastline.

Recognizing that Fort Moultrie was vulnerable to a land assault, Anderson elected to abandon it for the more easily defensible Fort Sumter on December 26, 1860. South Carolina militia forces would seize the city's other forts shortly thereafter, leaving Fort Sumter as the lone federal outpost in Charleston.

Battle of Fort Sumter

A standoff ensued until January 9, 1861, when a ship called Star of the West arrived in Charleston with over 200 U.S. troops and supplies intended for Fort Sumter. South Carolina militia batteries fired upon the vessel as it neared Charleston Harbor, forcing it to turn back to sea.

Major Anderson refused repeated calls to abandon Fort Sumter, and by March 1861 there were over 3,000 militia troops besieging his garrison. A number of other U.S. military facilities in the South had already been seized, and Fort Sumter was viewed by many as one of the South's few remaining hurdles to overcome before achieving sovereignty.

With the inauguration of President Abraham Lincoln in March 1861, the situation soon escalated. Knowing that Anderson and his men were running out of supplies, Lincoln announced his intention to send three unarmed ships to relieve Fort Sumter. Having already declared that any attempt to resupply the fort would be seen as an act of aggression, South Carolina militia forces soon scrambled to respond.

Civil War Begins

On April 11, militia commander P.G.T. Beauregard demanded that Anderson surrender the fort, but Anderson again refused. In response Beauregard opened fire on Fort Sumter shortly after 4:30 a.m. on April 12, 1861. U.S. Captain Abner Doubleday-later famous for the myth that he invented baseball-ordered the first shots in defense of the fort a few hours later. The first shots of the Civil War had been fired.

Beauregard's 19 coastal batteries unleashed a punishing barrage on Fort Sumter, eventually firing an estimated 3,000 shots at the citadel in 34 hours. By Saturday, April 13, cannon fire had broken through the fortress's five-foot-thick brick walls, causing fires inside the post. With his stores of ammunition depleted, Anderson and his Union forces had to surrender the fort shortly after 2 p.m. in the afternoon.

No Union troops had been killed during the bombardment, but two men died the following day in an explosion that occurred during an artillery salute held before the U.S. evacuation. The bombardment of Fort Sumter would play a major part in triggering the Civil War. In the days following the assault, Lincoln issued a call for Union volunteers to quash the rebellion, while more Southern states including Virginia, North Carolina and Tennessee cast their lot with the Confederacy.

Beauregard and Du Pont

Following Beauregard's bombardment in 1861, Confederate forces occupied Fort Sumter and used it to marshal a defense of Charleston Harbor. Once it was completed and better armed, Fort Sumter allowed the Confederates to create a valuable hole in the Union blockade of the Atlantic seaboard.

The first Union assault on occupied Fort Sumter came in April 1863, when Rear Admiral Samuel Francis Du Pont attempted a naval attack on Charleston. Commander of the South Atlantic Blockading Squadron, Du Pont arrived in Charleston with a fleet of nine ironclad warships, seven of which were updated versions of the famed U.S.S. Monitor.

While Du Pont had hoped to recapture Fort Sumter-by then a symbol of the Confederate rebellion-his attack was poorly coordinated and met with unfavorable weather conditions. In collaboration with Fort Sumter, Confederate batteries commanded by P.G.T. Beauregard hammered the ironclad fleet with artillery fire, and underwater mines posed a constant threat to the ships' hulls.

Outgunned and unable to properly maneuver in heavy currents, Du Pont's fleet eventually withdrew from the harbor after taking over 500 hits by Confederate guns. Only one Union soldier was killed during the battle, but one of the ironclads, Keokuk, sank the next day.

Five Confederates were killed during the attack, but the damage to Fort Sumter was soon repaired and its defenses improved. Confederate soldiers even managed to salvage one of Keokuk 's 11-inch Dahlgren guns and mount it on the fortress.
READ MORE: 7 Important Civil War Battles
Fort Wagner

In July 1863, Union troops laid siege to Fort Wagner, a valuable post on Morris Island near the mouth of Charleston Harbor. After being met with heavy fire from Fort Sumter, Union General Quincy Adams Gillmore turned his guns on the fort and unleashed a devastating seven-day bombardment.

On September 8, a force of nearly 400 Union troops attempted to land at Fort Sumter and capture the post by force. Union Rear Admiral John Dahlgren mistakenly believed the fort was manned by a skeleton crew, but the landing party was met by over 300 Confederate infantry, who easily repulsed the assault.

Following the failed infantry attack, Union forces on Morris Island recommenced their bombing campaign on Fort Sumter. Over the next 15 months, Union artillery effectively leveled Fort Sumter, eventually firing nearly 50,000 projectiles at the fort between September 1863 and February 1865. Despite suffering over 300 casualties from the Union bombardments, the beleaguered Confederate garrison managed to retain control of the fort until February 1865.

Only when Union General William T. Sherman was poised to capture Charleston did the Confederates finally evacuate. Union forces would reclaim Fort Sumter on February 22, 1865. Robert A. Anderson and Abner Doubleday, the two commanding officers from the original siege of Fort Sumter, would both return to the fortress on April 14, 1865, for a flag-raising ceremony.

Fort Sumter National Monument

After the Civil War, the derelict Fort Sumter was rebuilt and partially redesigned. It would see little use during the 1870s and 1880s and was eventually reduced to serving as a lighthouse station for Charleston Harbor. With the start of the Spanish-American War (1898), the fortress was rearmed and once again used as a coastal defense installation. It would later see service during both World War I and World War II.

In 1948, Fort Sumter was decommissioned as a military post and turned over to the National Park Service as a National Historic Site and part of Fort Sumter and Fort Moultrie National Historical Park. Tours are now available, attracting more than 750,000 visitors every year.

Sources

Fort Sumter and Fort Moultrie: History & Culture. National Park Service.
Fort Sumter. American Battlefield Trust.
Fort Sumter: The Civil War Begins. Smithsonian Magazine.

Fact Check

We strive for accuracy and fairness. But if you see something that doesn't look right, click here to contact us! HISTORY reviews and updates its content regularly to ensure it is complete and accurate.

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Fort Sumter: Civil War, Battle & Location | HISTORY

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Fort Sumter is an island fortification located in Charleston Harbor, South Carolina, and is most famous for being the site of the first battle of the Civil War.

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Nation Photo of Emancipation Proclamation, along with the ink well used by President Lincoln to draft the document. Courtesy of the Smithsonian. President Lincoln signed the Emancipation Proclamation on Jan. 1, 1863, declaring all slaves in rebellion states as free and inviting them to join the Union forces fighting in the Civil War.

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Battle of Gettysburg: Summary, Facts & Casualties | HISTORY

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The Battle of Gettysburg, fought over three hot summer days, from July 1 to July 3, 1863, is considered the most important engagement of the American Civil War. The South lost the battle—and many men—and it marked a turning point in the bloody war that left the South mostly on the defensive.

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Ten Percent Plan           https://youtu.be/LSYqJSD4_Aw

Wade Davis Bill  https://www.britannica.com/event/Wade-Davis-Bill

13th Amendment

https://constitutioncenter.org/interactive-constitution/amendments/amendment-xiii

14th Amendment  https://www.law.cornell.edu/constitution/amendmentxiv

15th Amendment

https://www.history.com/topics/black-history/fifteenth-amendment

Plessy v. Ferguson

https://www.history.com/topics/black-history/plessy-v-ferguson

End of Reconstruction

https://www.apstudynotes.org/us-history/topics/the-end-of-reconstruction/

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Appomattox Court House National Historical Park (U.S. National Park Service)

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On April 9, 1865, the surrender of the Army of Northern Virginia in the McLean House in the village of Appomattox Court House, Virginia signaled the end of the nation's largest war. Two important questions about its future were answered. Could the nation survive a civil war intact, and would that nation exist without slavery?

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Wade-Davis Bill: Wade-Davis Bill, (1864), unsuccessful attempt by Radical Republicans and others in the U.S. Congress to set Reconstruction policy before the end of the Civil War. The bill, sponsored by senators Benjamin F. Wade and Henry W. Davis, provided for the appointment of provisional military governors in

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National Constitution Center - The 13th Amendment of the U.S. Constitution

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The 13th Amendment of the U.S. Constitution

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SECTION. 1. Neither slavery nor involuntary servitude, except as a punishment for crime whereof the party shall have been duly convicted, shall exist within the United States, or any place subject to

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Amendment XIV

Section 1.

All persons born or naturalized in the United States, and subject to the jurisdiction thereof, are citizens of the United States and of the state wherein they reside. No state shall make or enforce any law which shall abridge the privileges or immunities of citizens of the United States; nor shall any state deprive any person of life, liberty, or property, without due process of law; nor deny to any person within its jurisdiction the equal protection of the laws.

Section 2.

Representatives shall be apportioned among the several states according to their respective numbers, counting the whole number of persons in each state, excluding Indians not taxed. But when the right to vote at any election for the choice of electors for President and Vice President of the United States, Representatives in Congress, the executive and judicial officers of a state, or the members of the legislature thereof, is denied to any of the male inhabitants of such state, being twenty-one years of age, and citizens of the United States, or in any way abridged, except for participation in rebellion, or other crime, the basis of representation therein shall be reduced in the proportion which the number of such male citizens shall bear to the whole number of male citizens twenty-one years of age in such state.

Section 3.

No person shall be a Senator or Representative in Congress, or elector of President and Vice President, or hold any office, civil or military, under the United States, or under any state, who, having previously taken an oath, as a member of Congress, or as an officer of the United States, or as a member of any state legislature, or as an executive or judicial officer of any state, to support the Constitution of the United States, shall have engaged in insurrection or rebellion against the same, or given aid or comfort to the enemies thereof. But Congress may by a vote of two-thirds of each House, remove such disability.

Section 4.

The validity of the public debt of the United States, authorized by law, including debts incurred for payment of pensions and bounties for services in suppressing insurrection or rebellion, shall not be questioned. But neither the United States nor any state shall assume or pay any debt or obligation incurred in aid of insurrection or rebellion against the United States, or any claim for the loss or emancipation of any slave; but all such debts, obligations and claims shall be held illegal and void.

Section 5.

The Congress shall have power to enforce, by appropriate legislation, the provisions of this article.

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All persons born or naturalized in the United States, and subject to the jurisdiction thereof, are citizens of the United States and of the state wherein they reside.

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The 15th Amendment, which sought to protect the voting rights of Black men after the Civil War, was adopted into the U.S. Constitution in 1870. Despite the amendment, within a few years numerous discriminatory practices were used to prevent Black citizens from exercising their right to vote, especially in the South. It wasn't until the Voting Rights Act of 1965 that legal barriers were outlawed at the state and local levels if they denied any Americans their right to vote under the 15th Amendment.

What Is the 15th Amendment?

The 15th Amendment to the U.S. Constitution states: "The right of citizens of the United States to vote shall not be denied or abridged by the United States or by any State on account of race, color, or previous condition of servitude."

Despite the amendment's passage, by the late 1870s dozens of discriminatory practices were used to prevent Black citizens from exercising their right to vote, especially in the South.
READ MORE: When Did African Americans Get the Right to Vote?
Reconstruction

In 1867, following the American Civil War and the abolishment of slavery, the Republican-dominated U.S. Congress passed the First Reconstruction Act over the veto of President Andrew Johnson. The act divided the South into five military districts and outlined how new governments based on universal suffrage for men were to be established.

With the adoption of the 15th Amendment in 1870, a politically mobilized Black community joined with white allies in the Southern states to elect the Republican Party to power, which brought about radical changes across the South. By late 1870, all the former Confederate states had been readmitted to the Union, and most were controlled by the Republican Party thanks to the support of Black voters.
WATCH: Yohuru Williams on the 15th Amendment
In the same year, Hiram Rhodes Revels, a Republican from Natchez, Mississippi, became the first African American to sit in the U.S. Congress when he was elected to the U.S. Senate. Although Black Republicans never obtained political office in proportion to their overwhelming electoral majority, Revels and a dozen other Black men served in Congress during Reconstruction, more than 600 served in state legislatures and many more held local offices.

Did you know? One day after it was ratified, Thomas Mundy Peterson of Perth Amboy, New Jersey, became the first Black person to vote under the authority of the 15th Amendment.

Poll Taxes and Literacy Tests

By the late 1870s, the Southern Republican Party vanished with the end of Reconstruction, and Southern state governments effectively nullified both the 14th Amendment (passed in 1868, it guaranteed citizenship and all its privileges to Black Americans) and the 15th amendment, effectively stripping Black citizens in the South of the right to vote.

In the ensuing decades, a range of discriminatory practices including poll taxes and literacy tests-along with Jim Crow laws, intimidation, threats and outright violence-were used to prevent Black men from exercising their right to vote.
READ MORE: Reconstruction: A Timeline of the Post-Civil War Era
Voting Rights Act of 1965

The Voting Rights Act of 1965, signed into law by President Lyndon B. Johnson in 1965, aimed to overcome all legal barriers at the state and local levels that denied Blacks their right to vote under the 15th Amendment.

The act banned the use of literacy tests, provided for federal oversight of voter registration in areas where less than 50 percent of the non-white population had not registered to vote and authorized the U.S. attorney general to investigate the use of poll taxes in state and local elections.

In 1964, the 24th Amendment made poll taxes illegal in federal elections; poll taxes in state elections were banned in 1966 by the U.S. Supreme Court.

After the passage of the Voting Rights Act, state and local enforcement of the law was weak and it often was ignored outright, mainly in the South and in areas where the proportion of Black citizens in the population was high and their vote threatened the political status quo.

Still, the Voting Rights Act of 1965 gave Black American voters the legal means to challenge voting restrictions and vastly improved voter turnout.

Sources

The 15th Amendment to the United States Constitution. National Geographic.
15th Amendment to the U.S. Constitution: Primary Documents in American History. Library of Congress.

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The 15th Amendment, which sought to protect the voting rights of Black men after the Civil War, was adopted into the U.S. Constitution in 1870. Despite the amendment, within a few years numerous discriminatory practices were used to prevent Black citizens from exercising their right to vote, especially in the South.

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Plessy v. Ferguson: Background and Context

After the Compromise of 1877 led to the withdrawal of federal troops from the South, Democrats consolidated control of state legislatures throughout the region, effectively marking the end of Reconstruction.

Southern Black people saw the promise of equality under the law embodied by the 13th Amendment, 14th Amendment and 15th Amendment to the Constitution receding quickly, and a return to disenfranchisement and other disadvantages as white supremacy reasserted itself across the South.

As historian C. Vann Woodward pointed out in a 1964 article about Plessy v. Ferguson, white and Black Southerners mixed relatively freely until the 1880s, when state legislatures passed the first laws requiring railroads to provide separate cars for "Negro" or "colored" passengers.

Florida became the first state to mandate segregated railroad cars in 1887, followed in quick succession by Mississippi, Texas, Louisiana and other states by the end of the century.

Black Resistance to Segregation

As Southern Black people witnessed with horror the dawn of the Jim Crow era, members of the Black community in New Orleans decided to mount a resistance.

At the heart of the case that became Plessy v. Ferguson was a law passed in Louisiana in 1890 "providing for separate railway carriages for the white and colored races." It stipulated that all passenger railways had to provide these separate cars, which should be equal in facilities.

Homer Adolph Plessy, who agreed to be the plaintiff in the case aimed at testing the law's constitutionality, was of mixed race; he described himself as "seven-eighths Caucasian and one-eighth African blood."

On June 7, 1892, Plessy bought a ticket on a train from New Orleans bound for Covington, Louisiana, and took a vacant seat in a whites-only car. After refusing to leave the car at the conductor's insistence, he was arrested and jailed.

Convicted by a New Orleans court of violating the 1890 law, Plessy filed a petition against the presiding judge, Hon. John H. Ferguson, claiming that the law violated the Equal Protection Clause of the 14th Amendment.

Supreme Court Ruling in Plessy v. Ferguson

Over the next few years, segregation and Black disenfranchisement picked up pace in the South, and was more than tolerated by the North. Congress defeated a bill that would have given federal protection to elections in 1892, and nullified a number of Reconstruction laws on the books.

Then, on May 18, 1896, the Supreme Court delivered its verdict in Plessy v. Ferguson. In declaring separate-but-equal facilities constitutional on intrastate railroads, the Court ruled that the protections of 14th Amendment applied only to political and civil rights (like voting and jury service), not "social rights" (sitting in the railroad car of your choice).

In its ruling, the Court denied that segregated railroad cars for Black people were necessarily inferior. "We consider the underlying fallacy of [Plessy's] argument," Justice Henry Brown wrote, "to consist in the assumption that the enforced separation of the two races stamps the colored race with a badge of inferiority. If this be so, it is not by reason of anything found in the act, but solely because the colored race chooses to put that construction upon it."

John Marshall Harlan's Dissent

Alone in the minority was Justice John Marshall Harlan, a former slaveholder from Kentucky. Harlan had opposed emancipation and civil rights for freed slaves during the Reconstruction era-but changed his position due to his outrage over the actions of white supremacist groups like the Ku Klux Klan.

Harlan argued in his dissent that segregation ran counter to the constitutional principle of equality under the law: "The arbitrary separation of citizens on the basis of race while they are on a public highway is a badge of servitude wholly inconsistent with the civil freedom and the equality before the law established by the Constitution," he wrote. "It cannot be justified upon any legal grounds."

Plessy v. Ferguson Significance

The Plessy v. Ferguson verdict enshrined the doctrine of "separate but equal" as a constitutional justification for segregation, ensuring the survival of the Jim Crow South for the next half-century.

Intrastate railroads were among many segregated public facilities the verdict sanctioned; others included buses, hotels, theaters, swimming pools and schools. By the time of the 1899 case Cummings v. Board of Education, even Harlan appeared to agree that segregated public schools did not violate the Constitution.

It would not be until the landmark case Brown v. Board of Education in 1954, at the dawn of the civil rights movement, that the majority of the Supreme Court would essentially concur with Harlan's opinion in Plessy v. Ferguson..

Writing the majority opinion in that 1954 case, Chief Justice Earl Warren wrote that "the doctrine of 'separate but equal' has no place" in public education, calling segregated schools "inherently unequal," and declaring that the plaintiffs in the Brown case were being "deprived of the equal protection of the laws guaranteed by the 14th Amendment."

Sources

C. Vann Woodward, " Plessy v. Ferguson: The Birth of Jim Crow," American Heritage (Volume 15, Issue 3: April 1964).
Landmark Cases: Plessy v. Ferguson, PBS: The Supreme Court - The First Hundred Years.
Louis Menand, "Brown v. Board of Education and the Limits of Law," The New Yorker (February 12, 2001).
Today in History - May 18: Plessy v. Ferguson, Library of Congress.

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Plessy v. Ferguson: Separate But Equal Doctrine | HISTORY

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Plessy v. Ferguson was a landmark 1896 U.S. Supreme Court decision that upheld the constitutionality of racial segregation under the "separate but equal" doctrine.

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The End of Reconstruction - AP U.S. History Topic Outlines - Study Notes

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100% Free AP Test Prep website that offers study material to high school students seeking to prepare for AP exams. Enterprising students use this website to learn AP class material, study for class quizzes and tests, and to brush up on course material before the big exam day.

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The Gold Rush

https://www.history.com/topics/westward-expansion/gold-rush-of-1849

Homestead Act

http://slideplayer.com/slide/9665251/31/images/3/Homestead+Act+Law+passed+by+President+Lincoln+in+1862+to+encourage+Western+expansion..jpg

Morrill Act

https://www3.nd.edu/~rbarger/www7/morrill.html

The Long Walk

https://www.nlm.nih.gov/nativevoices/timeline/332.html

The Massacre at Wounded Knee

https://www.history.com/topics/native-american-history/wounded-knee

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Sutter's Mill

On January 24, 1848, James Wilson Marshall, a carpenter originally from New Jersey, found flakes of gold in the American River at the base of the Sierra Nevada Mountains near Coloma, California.

At the time, Marshall was working to build a water-powered sawmill owned by John Sutter, a German-born Swiss citizen and founder of a colony of Nueva Helvetia (New Switzerland, which would later become the city of Sacramento). As Marshall later recalled of his historic discovery: "It made my heart thump, for I was certain it was gold."

Did you know? Miners extracted more than 750,000 pounds of gold during the California Gold Rush.

Days after Marshall's discovery at Sutter's Mill, the Treaty of Guadalupe Hidalgo was signed, ending the Mexican-American War and leaving California in the hands of the United States-a remarkable twist of fate with important ramifications for an America eager for westward expansion.

At the time, the population of the territory consisted of 6,500 Californios (people of Spanish or Mexican descent); 700 foreigners (primarily Americans); and 150,000 Native Americans (barely half the number that had been there when Spanish settlers arrived in 1769).

Sutter, in fact, had enslaved hundreds of Native Americans and used them as a free source of labor and makeshift militia to defend his territory and expand his empire.

Gold Fever Strikes

Though Marshall and Sutter tried to keep news of the discovery under wraps, word got out, and by mid-March at least one newspaper was reporting that large quantities of gold were being turned up at Sutter's Mill. Though the initial reaction in San Francisco was disbelief, storekeeper Sam Brannan set off a frenzy when he paraded through town displaying a vial of gold obtained from Sutter's Creek.

By mid-June, shops and businesses stood empty, as some three-quarters of the male population of San Francisco had abandoned the city for the gold mines, and the number of miners in the area ballooned to some 4,000 by August.

As news reports-many wildly overblown-of the easy fortunes being made in California spread worldwide, some of the first migrants to arrive were those from lands accessible by boat, such as Oregon, the Sandwich Islands (now Hawaii), Mexico, Chile, Peru and China.

Polk Spreads Gold Fever

When the news reached the East Coast, press reports were initially skeptical. Gold fever kicked off nationwide in earnest, however, after December 1848, when President James K. Polk announced the positive results of a report made by Colonel Richard Mason, California's military governor, in his inaugural address.

As Polk wrote, "The accounts of abundance of gold are of such an extraordinary character as would scarcely command belief were they not corroborated by the authentic reports of officers in the public service."

The '49ers Come to California

Throughout 1849, people around the United States (mostly men) with gold fever borrowed money, mortgaged their property or spent their life savings to make the arduous journey to California. In pursuit of the kind of wealth they had never dreamed of, they left their families and hometowns. In turn, women left behind took on new responsibilities such as running farms or businesses and caring for their children alone.

Thousands of would-be gold miners, known as 49ers for the year they arrived, traveled overland across the mountains or by sea, sailing to Panama or even around Cape Horn, the southernmost point of South America.

By the end of the year, the non-native population of California was estimated at 100,000, (as compared with 20,000 at the end of 1848 and around 800 in March 1848). To accommodate the needs of the 49ers, gold mining towns had sprung up all over the region, complete with shops, saloons, brothels and other businesses seeking to make their own Gold Rush fortune.

The overcrowded chaos of the mining camps and towns grew ever more lawless, including rampant banditry, gambling, alcoholism, prostitution and violence. San Francisco, for its part, developed a bustling economy and became the central metropolis of the new frontier.

Gold Rush Politics

The Gold Rush undoubtedly sped up California's admission to the Union as the 31st state. In late 1849, California applied to enter the Union with a constitution that barred the Southern system of racial slavery, provoking a crisis in Congress between proponents of slavery and anti-slavery politicians.

According to the Compromise of 1850, proposed by Kentucky's Senator Henry Clay, California was allowed to enter as a free state, while the territories of Utah and New Mexico were left to decide the legal status of slavery for themselves.

California's Mines

After 1850, the surface gold in California largely disappeared, even as miners continued to arrive. Mining had always been difficult and dangerous labor, and striking it rich required good luck as much as skill and hard work. Moreover, the average daily take for an independent miner working with his pick and shovel had by then sharply decreased from what it had been in 1848.

As gold became more and more difficult to reach, the growing industrialization of mining drove more and more miners from independence into wage labor. The new technique of hydraulic mining, developed in 1853, brought enormous profits but destroyed much of the region's landscape.

Though gold mining continued throughout the 1850s, it had reached its peak by 1852, when some $81 million was pulled from the ground. After that year, the total take declined gradually, leveling off to around $45 million per year by 1857. Settlement in California continued, however, and by the end of the decade the state's population was 380,000.

Impact of the Gold Rush

New mining methods and the population boom in the wake of the California Gold Rush permanently altered the landscape of California. The technique of hydraulic mining brought enormous profits but destroyed much of the region's landscape.

Dams designed to supply water to mine sites in summer altered the course of rivers away from farmland, while sediment from mines clogged others. The logging industry in the area was born from the need to construct extensive canals and feed boilers at mines, further consuming natural resources.

In 1884, hydraulic mining was outlawed by court order, and soon agriculture became the dominant industry in California, and it remains so today. While a few mines and Gold Rush towns remain, much of the heritage of that era is preserved at places such as Bodie State Historic Park, a decaying ghost town, and at Marshall Gold Discovery State Historic Park, where Sutter's Mill once stood.

Sources

Environmental Impact of the Gold Rush. Calisphere.org.
After the Gold Rush. National Geographic.

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Gold Rush: California, Date & Sutter's Mill - HISTORY

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The Gold Rush in California started in 1848 after gold was found at Sutter's Mill. Within a year, hundreds of thousands of 49ers seeking fortune poured into the state.

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The Morrill Acts have become a major educational resource for our nation. This program is available to all people who are in search of higher education. Over the years it has proven to be an important part of our educational system. This Act changed the course of higher education.

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The Navajos begin 'Long Walk' to imprisonment - Timeline - Native Voices

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In a forced removal, the U.S. Army drives the Navajo at gunpoint as they walk from their homeland in Arizona and New Mexico, to Fort Sumner, 300 miles away at Bosque Redondo. Hundreds die during 18 days of marching. About 9,000 Navajos reach the fort, where 400 Mescalero Apaches are already held.

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Wounded Knee, located on the Pine Ridge Indian Reservation in South Dakota, was the site of two conflicts between Native Americans and representatives of the U.S. government, including the U.S. Army and, later, the FBI. An 1890 massacre left some 150 Native Americans dead, in what was the final clash between federal troops and the Sioux tribe. In 1973, members of the American Indian Movement occupied Wounded Knee for 71 days to protest conditions on the reservation.

Ghost Dance and Sitting Bull

Throughout 1890, the U.S. government was worried about the increasing influence at Pine Ridge Indian Reservation of the Ghost Dance spiritual movement, which taught that Native Americans had been defeated and confined to reservations because they had angered the gods by abandoning their traditional customs.

Many Sioux believed that if they practiced the Ghost Dance and rejected the ways of the white man, the gods would create the world anew and destroy all non-believers, including non-Indians. On December 15, 1890, reservation police tried to arrest Sitting Bull, the famous Sioux chief, whom they mistakenly believed was a Ghost Dancer, and killed him in the process, increasing the tensions at Pine Ridge in South Dakota.

Did you know? Nearly half of the Sioux killed at the 1890 Wounded Knee massacre were women and children.

Wounded Knee Massacre

On December 29, the U.S. Army's 7th Cavalry surrounded a band of Ghost Dancers under Big Foot, a Lakota Sioux chief, near Wounded Knee Creek and demanded they surrender their weapons. As that was happening, a fight broke out between an Indian and a U.S. soldier and a shot was fired, although it's unclear from which side.

A brutal massacre followed, in which an estimated 150 Indians were killed. (Some historians put this number at twice as high.) Nearly half of them were women and children. The U.S. cavalry lost 25 men.

The conflict at Wounded Knee was originally referred to as a battle-the Army troops involved were later rewarded with Medals of Honor-but in reality it was a tragic and avoidable massacre. Surrounded by heavily armed troops, it's unlikely that Big Foot's band would have intentionally started a fight. Some historians speculate that the soldiers of the 7th Cavalry were deliberately taking revenge for the regiment's defeat at Little Bighorn in 1876.

Whatever the motives, the massacre ended the Ghost Dance movement and was one of the last major confrontations in the Indian Wars, America's deadly series of wars against the Plains Indians and other Native Americans.

American Indian Movement

The American Indian Movement (AIM) was founded in 1968 in an effort to stop police harassment of Indians in the Minneapolis area. Borrowing some tactics from the Vietnam war protests of the era, AIM soon gained national notoriety for its flamboyant demonstrations. However, many mainstream Indian leaders denounced the youth-dominated group as too radical.

In 1972, a faction of AIM members led by Dennis Banks and Leonard Peltier sought to close the divide by making alliances with traditional tribal elders on reservations. They had their greatest success on the Pine Ridge Indian Reservation, after a group of young white men murdered a Sioux man named Yellow Thunder.

Although Yellow Thunder's attackers received only six-year prison sentences, this was widely seen as a victory by the local Sioux accustomed to unfair treatment by the often racist judicial system. AIM's highly visible publicity campaign on the case was given considerable credit for the verdict, winning the organization a great deal of respect on the reservation.

Wounded Knee Siege

AIM's growing prestige and influence, however, threatened the conservative Sioux tribal chairman, Dick Wilson. When Wilson learned of a planned AIM protest against his administration at Pine Ridge, he retreated to tribal headquarters where he was under the protection of federal marshals and Bureau of Indian Affairs police.

Rather than confront the police in Pine Ridge, some 200 AIM members and their supporters decided to occupy the symbolically significant hamlet of Wounded Knee, site of the 1890 massacre. Wilson, with the backing of the federal government, responded by besieging Wounded Knee.

During the 71 days of the siege, which began on February 27, 1973, federal officers and AIM members exchanged gunfire almost nightly. Hundreds of arrests were made, and two Native Americans were killed and a federal marshal was permanently paralyzed by a bullet wound.

The leaders of AIM finally surrendered on May 8 after a negotiated settlement was reached. In a subsequent trial, the judge ordered their acquittal because of evidence that the FBI had manipulated key witnesses. AIM emerged victorious and succeeded in shining a national spotlight on the problems of modern Native Americans.

Trouble Continues at Pine Ridge

The troubles at Wounded Knee, however, were not over after the siege. A virtual civil war broke out between the opposing Indian factions on the Pine Ridge reservation, and a series of beatings, shootings and murders left more than 100 Indians dead. When two FBI agents were killed in a 1975 gunfight, the agency raided the reservation and arrested AIM leader Leonard Peltier for the crime.

The FBI crackdown coupled with AIM's own excesses ended its influence at Pine Ridge. In 1977, Peltier was convicted of killing the two FBI agents and sentenced to life in prison. To this day, Peltier's supporters continue to maintain his innocence and seek a presidential pardon for him.

And in 2021, members of the U.S. Congress petitioned President Joe Biden to revoke the Medals of Honor soldiers received for their participation in the 1890 Wounded Knee massacre.

HISTORY Vault: Native American History

Sources

Disaster at Wounded Knee. Library of Congress.
What really happened at Wounded Knee, the site of a historic massacre. National Geographic.
Warren, Merkley, Kahele Lead Bicameral Letter Urging Biden to Rescind Medals of Honor Awarded to Soldiers who Perpetrated Wounded Knee Massacre. Elizabeth Warren, U.S. Senate.
Wounded Knee Massacre. Encyclopedia of the Great Plains.

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Wounded Knee: Massacre, Memorial & Battle - HISTORY

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Wounded Knee in South Dakota was the site of an 1890 Indian massacre by U.S. Army troops, and a deadly 1973 occupation by Native American activists.

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The Gilded Age was marked by increased mechanization in manufacturing. Businesses searched for cheaper and more efficient ways to create products. Corporate officials used various techniques, such as timing their workers with stopwatches and using stop-motion photography, to study the production process and improve efficiency. Frederick Winslow Taylor observed that the use of more advanced machinery could improve efficiency in steel production by requiring workers to make fewer motions in less time. His redesign increased the speed of factory machines and the productivity of factories while undercutting the need for skilled labor. Factories became an assemblage of unskilled laborers performing simple and repetitive tasks under the direction of skilled foremen and engineers. Machine shops, comprised of highly skilled workers and engineers, grew rapidly. The number of unskilled and skilled workers increased as their wage rates grew. Engineering colleges were established to feed the enormous demand for expertise.

Railroad Companies and Management

Railroads gave rise to the development of modern management techniques, such as the use of clear chains of command, statistical reporting, and complex bureaucratic systems. Railroad companies systematized the roles of middle managers and set up explicit career tracks. They hired young men at age 18-21 and promoted them internally until a man reached the status of locomotive engineer, conductor, or station agent at age 40 or so. Career tracks were offered to skilled blue-collar workers and white-collar managers, starting in railroads and expanding into finance, manufacturing, and trade. Together with rapid growth of small business, a new middle class was rapidly growing, especially in northern cities. Extensive national networks for transportation and communication were created. The corporation became the dominant form of business organization, and a managerial revolution transformed business operations. By the beginning of the 1900s, the United States had the highest per capita income and industrial production in the world, with per capita incomes double those of Germany and France, and 50 percent higher than those of Britain.

Bell's telephone transmitter (microphone) consisted of a double electromagnet, in front of which a membrane, stretched on a ring, carried an oblong piece of soft iron cemented to its middle. A funnel-shaped mouthpiece directed the voice sounds upon the membrane, and as it vibrated, the soft iron "armature" induced corresponding currents in the coils of the electromagnet. After traversing the wire, these currents passed through the receiver, which consisted of an electromagnet in a tubular metal can that had one end partially closed by a thin circular disc of soft iron. When the undulatory current passed through the coil of this electromagnet, the disc vibrated, thereby creating sound waves in the air.

The first long-distance telephone call was made on August 10, 1876, by Bell from the family homestead in Brantford, Ontario, to his assistant located in Paris, Ontario, some 10 miles away. In June 1876, Bell exhibited a telephone prototype at the Centennial Exhibition in Philadelphia.

The telephone was instrumental to modernization and labor. It aided in the development of suburbs and the separation of homes and businesses, but also became the reason for the separation between women occupying the private sphere and men in the public sphere. This would continue to isolate women and the home.

Women were regarded as the most frequent users of the telephone. As a means of liberation, it enabled women to work in the telecommunications sector as receptionists and operators. The autonomy was celebrated as women were able to develop new relationships and nurture preexisting ones in their private lives. Social relations are essential to the access and usage of telephone networks.

The Lightbulb

Thomas Edison's major innovation was the first industrial research lab, which was built in Menlo Park, New Jersey, and was the first institution set up for the specific purpose of producing constant technological innovation. Most of the inventions produced there were legally attributed to Edison, though many employees carried out research and development under his direction.

Edison did not invent the first electric lightbulb, but rather the first commercially practical incandescent light. Many earlier inventors had previously devised incandescent lamps, including Henry Woodward and Mathew Evans. Others such as Humphry Davy, James Bowman Lindsay, Moses G. Farmer, William E. Sawyer, Joseph Swan, and Heinrich Göbel had developed early and commercially impractical incandescent electric lamps. These early bulbs had an extremely short life, were expensive to produce, or drew a high electric current, making them difficult to produce on a large commercial scale.

By 1879, Edison had produced a new concept: a high resistance lamp in a very high vacuum, which would burn for hundreds of hours. While earlier inventors had produced electric lighting in laboratory conditions, dating back to a demonstration of a glowing wire by Alessandro Volta in 1800, Edison concentrated on commercial application. He was able to sell the concept to homes and businesses by mass-producing relatively long-lasting lightbulbs and creating a complete system for the generation and distribution of electricity.

Electric lighting in factories greatly improved working conditions, eliminating the heat and pollution caused by gas lighting, and reducing the fire hazard to the extent that the cost of electricity for lighting often was offset by the reduction in fire insurance premiums. Electric light was much brighter than that of oil or gas lamps, and there was no soot. Although early electricity was very expensive compared to today, it was far cheaper and more convenient than oil or gas lighting.

Electricity

In 1831 and 1832, Michael Faraday discovered the operating principle of electromagnetic generators. The principle, later called "Faraday's Law," is that an electromotive force is generated in an electrical conductor that is subjected to a varying magnetic flux, as for example, in a wire moving through a magnetic field.

The improvements in electrical-generation technology increased the efficiency and reliability greatly in the nineteenth century. The first magnetos only converted a few percent of mechanical energy to electricity. By the end of the nineteenth century, the highest efficiencies were more than 90 percent.

In the early days of commercial electric power, transmission of electric power at the same voltage as used by lighting and mechanical loads restricted the distance between generating plant and consumers. In 1882, generation was with direct current (DC), which could not easily be increased in voltage for long-distance transmission. Different classes of loads (for example, lighting, fixed motors, and traction/railway systems) required different voltages, and so used different generators and circuits.

Due to this specialization of lines and because transmission was inefficient for low-voltage high-current circuits, generators needed to be near their loads. It seemed, at the time, that the industry would develop into what is now known as a "distributed generation system," with large numbers of small generators located near their loads.

The transmission of electric power with alternate current (AC) became possible in 1881 after Lucien Gaulard and John Dixon Gibbs built what they called the "secondary generator," an early transformer provided with 1:1 turn ratio and open magnetic circuit.

The "War of Currents"

Edison's true success, like that of his friend Henry Ford, was in his ability to maximize profits by establishing mass-production systems and obtaining intellectual-property rights. George Westinghouse became an adversary of Edison when he promoted the direct current (DC) for electric power distribution instead of the more easily transmitted alternating current (AC) system invented by Nikola Tesla and promoted by Westinghouse. Unlike DC, AC could be stepped up to very high voltages with transformers, sent over thinner and cheaper wires, and stepped down again at the destination for distribution to users.

The problem with DC was that power plants could only deliver DC electricity economically to customers within about one and a half miles (about 2.4 km) from the generating station, so that it only was suitable for central business districts. When George Westinghouse suggested using high-voltage AC instead, as it could carry electricity hundreds of miles with only marginal loss of power, Edison waged a "War of Currents" to prevent the adoption of the AC system.

The war against AC involved Edison in the development and promotion of the electric chair (using AC) as an attempt to portray AC as having greater lethal potential than DC. Edison continued to carry out a brief but intense campaign to ban the use of AC or to limit the allowable voltage for safety purposes. As part of this campaign, Edison's employees publicly electrocuted animals to demonstrate the dangers of AC. On one of the more notable occasions, Edison's workers electrocuted Topsy the elephant at Luna Park, near Coney Island, after she had killed several men and her owners wanted her put to death.

AC eventually replaced DC in most instances of generation and power distribution, enormously extending the range and improving the efficiency of power distribution. Though widespread use of DC ultimately lost favor for distribution, it exists today primarily in long-distance high-voltage direct current (HVDC) transmission systems.

Lochner's appeal was based on the Fourteenth Amendment to the Constitution, which provides the following: "... nor shall any State deprive any person of life, liberty, or property, without due process of law." In a series of cases starting with Dred Scott v. Sandford (1857), the Supreme Court established that the Due Process Clause (found in both the Fifth and Fourteenth Amendments) is not merely a procedural guarantee, but also a substantive limitation on the type of control the government may exercise over individuals. Although this interpretation of the Due Process Clause is a controversial one, it had become firmly embedded in American jurisprudence by the end of the nineteenth century. Lochner argued that the right to freely contract was one of the rights encompassed by substantive due process.

By a five to four vote, the Supreme Court rejected the argument that the law was necessary to protect the health of bakers, deciding it was a labor law attempting to regulate the terms of employment, and calling it an, "unreasonable, unnecessary, and arbitrary interference with the right and liberty of the individual to contract." Seven years earlier, the Supreme Court had accepted the argument that the Due Process Clause protected the right to contract in Allgeyer v. Louisiana (1897). Justice Rufus Peckham wrote for the majority, while Justices John Marshall Harlan and Oliver Wendell Holmes, Jr., filed dissents.

Justice Harlan's dissent argued that the Court gave insufficient weight to the state's argument that the law was a valid health measure addressing a legitimate state interest. Justice Holmes's famous dissent criticized the decision for discarding sound constitutional interpretation in favor of personal beliefs. Although it was only three paragraphs long, Holmes's dissent is well remembered and often quoted. In it, Holmes accused the majority of judicial activism, claiming that the case was, "decided upon an economic theory which a large part of the country does not entertain." He also attacked the idea that the Fourteenth Amendment protected the unbridled liberty of contract, writing that, "[t]he Fourteenth Amendment does not enact Mr. Herbert Spencer 's Social Statics. " This was a reference to a book in which Spencer advocated a strict laissez-faire economic philosophy.

The term "laissez-faire" refers to an economic environment in which transactions between private parties are free from government interference such as regulations, privileges, tariffs, and subsidies. The term is part of a larger French phrase and literally translates to "let (it/them) do," but in this context, usually means to "let go." Laissez-faire, a product of the Enlightenment, was, "conceived as the way to unleash human potential through the restoration of a natural system, a system unhindered by the restrictions of government." In a similar vein, Adam Smith viewed the economy as a natural system and the market as an organic part of that system. Smith saw laissez-faire as a moral program, and the market its instrument to ensure men the rights of natural law. By extension, free markets become a reflection of the natural system of liberty.

Lochner v. New York was one of the most controversial decisions in the Supreme Court's history, giving its name to what is known as the "Lochner Era." During the Lochner Era, the Supreme Court issued several controversial decisions invalidating progressive federal and state statutes that sought to regulate working conditions during the Progressive Era and the Great Depression. Thus, this era could be characterized as laissez-faire. The Lochner era often is considered to have ended with West Coast Hotel Co. v. Parrish (1937), in which the Supreme Court took a much broader view of the government's power to regulate economic activities.

Robber Barons and the Captains of Industry

The term "robber baron" was applied to powerful nineteenth-century industrialists who were viewed as having used questionable practices to amass their wealth. On the other hand, "captains of industry" were business leaders whose means of amassing a personal fortune contributed positively to the country in some way.

Robber Barons

"Robber baron" is a derogatory term used for some powerful nineteenth-century American businessmen. By the 1890s, the term was typically applied to businessmen who were viewed as having used questionable practices to amass their wealth. These "questionable practices" usually included a perception that they offered their products at extremely low prices as to pay their workers very poorly and buying out the competitors that couldn't keep up. Once there was no competition, the businessmen would hike prices far above the original level. It combines the notions of criminality ("robber") and illegitimate aristocracy ("baron").

The term derives from the medieval German lords who legally charged tolls on ships traversing the Rhine without adding anything of value. U.S. political and economic commentator Matthew Josephson popularized the term during the Great Depression in a 1934 book by the same title. He attributed the phrase to an 1880 antimonopoly pamphlet about railroad magnates. Josephson alleged that like the German antecedents, American big businessmen amassed huge fortunes immorally, unethically, and unjustly. The theme was popular during the Great Depression, a time of public scorn for the abuses of big business.

Captains of Industry

Robber barons were contrasted with "captains of industry," a term originally used in the United Kingdom during the Industrial Revolution describing a business leader whose means of amassing a personal fortune contributes positively to the country in some way. This might have been through increased productivity, expansion of markets, providing more jobs, or acts of philanthropy. Some nineteenth-century industrialists who were called "captains of industry" overlap with those called "robber barons," however. These include people such as J.P. Morgan, Andrew Carnegie, Andrew W. Mellon, and John D. Rockefeller. The positive term was coined by Thomas Carlyle in his 1843 book, Past and Present.

John Davison Rockefeller was an American industrialist and philanthropist. He was the founder of the Standard Oil Company, which dominated the oil industry and was the first great U.S. business trust. Rockefeller revolutionized the petroleum industry and defined the structure of modern philanthropy. In 1870, he founded the Standard Oil Company and aggressively ran it until he officially retired in 1897. As kerosene and gasoline grew in importance, Rockefeller's wealth soared, and he became the world's richest man and first American worth more than a billion dollars. Adjusting for inflation, he is often regarded as the richest person in American history.

Andrew Carnegie was a Scottish-American industrialist who led the enormous expansion of the American steel industry in the late nineteenth century. He was also one of the most important philanthropists of his era. With the fortune he made from the steel industry, he built Carnegie Hall; later he turned to philanthropy and interests in education, founding the Carnegie Corporation of New York, Carnegie Endowment for International Peace, Carnegie Institution of Washington, Carnegie Mellon University and the Carnegie Museums of Pittsburgh. Carnegie gave most of his money to establish many libraries, schools, and universities in the United States, the United Kingdom, Canada, and other countries, as well as to establish a pension fund for former employees. He often is regarded as the second-richest man in history after John D. Rockefeller.

John Pierpont Morgan was an American financier, banker, and art collector who dominated corporate finance and industrial consolidation during his time. In 1892, Morgan arranged the merger of Edison General Electric and Thomson-Houston Electric Company to form General Electric. After financing the creation of the Federal Steel Company, he merged in 1901 with the Carnegie Steel Company and several other steel and iron businesses, including Consolidated Steel and Wire Company, to form the United States Steel Corporation. At the height of Morgan's career during the early 1900s, he and his partners had financial investments in many large corporations and were accused by critics of controlling the nation's high finance. He directed the banking coalition that stopped the Panic of 1907. He was the leading financier of the Progressive Era, and his dedication to efficiency and modernization helped transform American business.

Trusts and Antitrust Laws

During the late nineteenth century, hundreds of small short-line railroads were being bought up and consolidated into giant systems. Separate laws and policies emerged regarding railroads and financial concerns such as banks and insurance companies. The railroads soon discovered that their pools lacked enforcement power. Those who nominally agreed to be bound by the pooling arrangement could-and often did-cheat. So leaders within the railroad business and beyond began looking for ways to control and manage their increasingly large industry holdings.

The corporate form of business enterprise allowed for potentially immense accumulations of capital to be under the control of a small number of managers; but in the 1870s and 1880s, the corporation was not yet established as the dominant legal form of operation. To overcome these disadvantages, clever lawyers for John D. Rockefeller organized his Standard Oil of Ohio as a common-law trust. Trustees were given corporate stock certificates of various companies; by combining numerous corporations into the trust, the trustees could effectively manage and control an entire industry. Within a decade, the Cotton Trust, Lead Trust, Sugar Trust, and Whiskey Trust-along with oil, telephone, steel, and tobacco trusts-had become, or were in the process of becoming, monopolies.

Consumers howled in protest. The political parties got the message: In 1888, both Republicans and Democrats put an antitrust plank in their platforms. In 1889, the new president, Republican Benjamin Harrison, condemned monopolies as "dangerous conspiracies" and called for legislation to address the tendency of monopolies to "crush out" competition.

The result was the Sherman Antitrust Act of 1890, sponsored by Senator John Sherman, of Ohio. Its two key sections forbade combinations in restraint of trade and monopolizing. The purpose of the Sherman Antitrust Act is not to protect competitors from harm from legitimately successful businesses, nor to prevent businesses from gaining honest profits from consumers, but rather to preserve a competitive marketplace to protect consumers from abuses. Senator Sherman and other sponsors declared that the act had roots in a common-law policy that frowned on monopolies. To an extent, it did, but it added something quite important for the future of business and the U.S. economy: the power of the federal government to enforce a national policy against monopoly and restraints of trade. Nevertheless, passage of the Sherman Antitrust Act did not end the public clamor; 15 years passed before a national administration began to enforce the act, when President Theodore Roosevelt, known as "the Trustbuster," sent his attorney general after the Northern Securities Corporation, a transportation holding company.

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The Gilded Age was marked by increased mechanization in manufacturing. Businesses searched for cheaper and more efficient ways to create products. Corporate officials used various techniques, such as timing their workers with stopwatches and using stop-motion photography, to study the production process and improve efficiency.

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Second Industrial Revolution

https://courses.lumenlearning.com/boundless-ushistory/chapter/the-second-industrial-revolution/

The inventions

https://learning-center.homesciencetools.com/article/modern-inventions-airplane-light-bulb-telephone/

The Rise of Big Business

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The

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The invention of light bulb, telephone, automobile, and airplane.

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The invention of light bulb, telephone, automobile, and airplane.

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Science Lesson: Learn About Inventions

The Telephone & Alexander Graham Bell

What if the only way you could communicate with someone living in another city was by mailing them a letter, one that might take weeks to get delivered? (Even with our modern technology, it still takes at least two weeks for mail to get to some countries.) The telephone is certainly one of the greatest inventions in the history of communication!

The inventor of the telephone, Alexander Graham Bell, was born in Scotland in 1847, the same year as Thomas Edison. He went to university in Edinburgh and London, then immigrated to Canada in 1870 and to the U.S. a year later. There he used visible speech (a type of phonetic notation that shows the position of the throat, mouth, and tongue to make different sounds) to teach deaf-mute people how speak.

When he was a young man, Bell became interested in transmitting speech, the way a telegraph transmitted messages. In 1874 he developed the idea for the telephone and successfully created and patented one two years later. (Just two hours after he applied for his patent, Elisha Gray filed his intention to apply for a patent for a very similar device.) His first transmitted sentence was to his assistant: 'Watson, come here; I want to see you.' Bell demonstrated his telephone at the Philadelphia Centennial Expo and in 1877 organized the Bell Telephone Company.

So how does this amazing invention work? How can you talk to someone miles away and hear them as though they were in the same room with you? It's actually a fairly simple process. At its most basic, a telephone consists of a switch, a receiver, and a microphone. The switch connects your phone to the telephone network; the receiver changes electrical signals into sound waves so you can hear the other person, and the microphone changes the sound waves you make into electrical impulses to send to the other end of the line.

The microphone contains carbon granules and a thin metal diaphragm. When you speak, the sound waves (vibrations in the air) hit the diaphragm and cause it to move, compressing the carbon granules behind it. A louder sound will compress the granules more than a soft sound. When the carbon is compressed, an electrical current can flow through it more easily. A battery (either in your handset or at the telephone company) sends an electric current through your phone; when you speak, the compression of the carbon varies the intensity of the current.
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This process is reversed at the other end of the line by the receiver. The electrical current flows through an electromagnet in the receiver, producing a magnetic field. This magnetic field attracts the thin metal diaphragm in the receiver, causing it to move in and out. As it does so, it pushes and pulls the air, creating sound waves. These waves reach your ear with the same intensity as they were spoken, allowing you to hear what the other person said.

The process hinges on the ability to have a variable electrical current. Unlike the telephone, a telegraph operates on a constant electric current - the messages are transmitted not by changing the current, but by repeatedly turning it on and off in a distinct pattern. Because the human voice doesn't start and stop sound waves in the same way as tapping Morse code does, the current must be able to adjust for variation in volume and frequency. The carbon microphone allows for this variation, giving us the ability to transmit speech electrically.

Bell probably couldn't have imagined the kind of communication we have today. Not only do we have long-distance telephone networks all over the world, we also have cellular phones that use radio frequencies to allow us to talk wirelessly wherever we are. Communication was changed forever by the telephone and continues to develop rapidly today.
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The Light Bulb & Thomas Edison

Perhaps one of the most important inventions of all time is the electric light bulb. We could get by with candles or lanterns in our homes, but imagine trying to shop at the mall, work in a large office complex, or travel at night by car or plane without electric lighting!

Thomas Alva Edison, one of the developers of the modern light bulb, is also one of the most famous as well as prolific inventors in history. He patented over 1000 inventions in his lifetime. Edison was born in Ohio in 1847. As a child, he received less than a year of formal schooling, but was educated at home. His parents allowed him to set up a laboratory in their basement and his mother gave him books about chemistry and electronics. Edison credits his mother as being 'the making' of him.

When he was 12, Edison got a job selling newspapers on a train that made day trips between his hometown of Port Huron, Michigan and Detroit. He took his laboratory along in the baggage car so that he would be able to experiment during layovers. This worked until one day some of his chemicals spilled and started a fire! Also while working on the train, Edison saved the child of one of the station masters, and as a reward was taught how to use a telegraph machine. He became a telegraph operator and began making improvements to the telegraph's functionality. He later invented a way for multiple telegraph messages to be transmitted simultaneously (rather than one at a time).

As a young man, Edison moved to New York City and eventually established a laboratory. In 1877 he invented the phonograph, which used a record made of tinfoil to play back sound. In 1879 he created a successful incandescent light bulb. This was his hardest project - from 1877 to 1880, Edison and his assistants tried around 3000 experiments to perfect their light bulb design. By the end of 1880, Edison had produced a bulb that lasted 1500 hours. (This has a moral: don't worry if some of your own science experiments aren't a success the first time you try them!)
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Edison was not the first person to make a working light bulb: In the 1860s another English scientist, Sir Joseph Wilson Swan, began experimenting. He made a light bulb that used carbonized paper for a filament. But Swan lacked a strong enough vacuum inside the bulb; a design problem that he corrected at almost the same time Edison did. After a legal battle between the two inventors, Edison and Swan teamed up and created the company Ediswan to market their invention.

How exactly do light bulbs work? For being such an important part of our lives, they have a fairly simple design. The base contains two metal contacts, which connect to an electrical circuit. These contacts are attached to two wires, which are in turn attached to the filament in the middle of the bulb (the filament is usually supported by a glass mount). A power supply sends an electric current from one contact to the other, traveling up through the wires and the filament. As the current passes through the filament, it "excites" the atoms that make up the filament material, causing them to give off energy in the form of heat and light. Edison tried thousands of different materials for his filaments, but most of them produced light for only a short time. He finally tried a carbonized cotton thread, which burned for many hours. Eventually, light bulbs were made using the metal tungsten for the filament. Tungsten works well because it has an unusually high melting point. This is important because metal must be heated to extreme temperatures to give off enough light.

The danger of running electrical current through the filament is that the resulting high temperatures may cause the filament to combust, or catch on fire. This will only happen if oxygen is present, so Edison sucked all the air out of his glass bulbs to create a vacuum. This method worked fine to prevent combustion, but it allowed filament atoms to evaporate, shortening the life of the bulb. In modern bulbs, the glass is filled with an inert gas, such as argon. This prevents combustion, and also helps prevent tungsten atoms from evaporating.

For over a century we have read and worked by the light of Edison's incandescent bulb. Other light sources, such as fluorescent bulbs and LED, have gained popularity in recent years because of their efficiency. The incandescent bulb releases most of its energy in the form of heat, not light, thus wasting electricity. Fluorescent and LED, however, are much cooler, and release most of their energy as visible light. These light sources have replaced the incandescent bulb for many functions.

Although almost all of Edison's discoveries were technological rather than strictly scientific, his invention credits include an alkaline storage battery, microphone, mimeograph (a copy machine), and a kinetoscope for viewing moving pictures. He also created the first 'talkie,' a movie that had sound, using his kinetoscope and phonograph. He continued to improve not only the incandescent light bulb, but some of his other inventions like the phonograph as well.
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The Airplane and the Wright Brothers

On December 17, 1903, Orville Wright flew the first powered, heavier-than-air airplane, propelling himself and his older brother Wilbur into world history. It took the brothers years of preparation to get to that cold and windy day in Kitty Hawk, North Carolina.

Wilbur (born in 1867) and Orville (born in 1871) grew up in Dayton, Ohio, the son of a United Brethren minister. Both of their parents had college educations, and they fostered intellectual curiosity and experimentation in their children. Bishop Wright sparked his young sons' interest in flight early on by bringing them a special toy - a flying top. This toy was essentially a rubber-band powered helicopter. The boys flew it until it fell apart, and then Wilbur built his own. As they grew older, the boys spent much of their time designing, building, and selling kites.

As young adults, Wilbur and Orville capitalized on the booming popularity of bicycles by starting their own bicycle sale and repair shop. Eventually they started building their own bicycles, which was excellent training for their next enterprise: building a flying machine.

Wilbur and Orville read everything about flight that they could get their hands on in Dayton. To get more information, Wilbur wrote the Smithsonian asking for up-to-date materials on the study of flight. With the Smithsonian's help they studied Sir George Cayley's work with the four forces of flight (lift, gravity, thrust, and drag), others' experiments with gliders, and the attempts at flight made by the Smithsonian's secretary, Samuel Langley. All the work these men had done, even when they failed, proved indispensable to the Wrights' efforts. After carefully studying, Wilbur and Orville began their own scientific analysis of what was needed for flight, and began designing their own gliders. They didn't just want to put an airplane in the sky; they wanted controlled flight, and for this they needed to master the three axes of motion: pitch, roll, and yaw.

Pitch is the up and down motion of the airplane's nose (climbing or diving). Roll is the airplane rolling from side to side, causing its wings to tilt up or down. This is especially necessary for turns. When an airplane turns left, it doesn't just remain level; the left wing will dip down and the right wing will be raised up. The last of the three axes is yaw, which is the airplane's right and left movement.

Orville and Wilbur realized that birds control pitch, roll, and yaw by adjusting the shape of their wings. The brothers tried to mimic this by developing what they called 'wing warping,' a system of wires and pulleys that manipulated the glider wings to allow banking turns to the left and right. At first the wing warping was controlled with the pilot's feet, but eventually they designed a hip cradle, which was easier to use. The pilot shifted his hips right, the wires pulled the left wingtips up, and the glider banked to the right. Wing warping took care of roll; their front elevator controlled pitch, and eventually the brothers controlled yaw by connecting wires from a rudder to the hip cradle.

In the autumn of 1900, the Wrights packed up a glider and set up camp at a deserted and windy beach outside of Kitty Hawk, NC. For three weeks they flew their glider as a kite, before trying to pilot it. Though they didn't achieve as much lift as they expected based on the lift tables established by aviation researchers, they were very happy with the results of their first Kitty Hawk visit. Their best flight lasted 15 seconds and covered 300 feet.

1901 saw the brothers back at Kitty Hawk, this time with an upgraded glider. The flight tests did not go as they had hoped. The new glider proved much more difficult to control, and they simply could not get the amount of lift they were trying for. They went home to Dayton discouraged and ready to give up. Men will certainly fly, they thought, but not in our lifetime. In the end, they decided to persevere. The lift tables widely accepted by the other pioneers in flight must be wrong. The Wrights decided to test the tables; they built their own wind tunnel in the back of their bicycle shop, and observed its effects on 200 different types of miniature wings.

With the information they gathered from their wind tunnel experiments, the brothers built yet another glider for testing in 1902. This was the first flying machine that had controls for all three axes of motion. It flew smoothly, was controlled easily, and glided more than 600 feet several times. They had a maneuverable aircraft; now they needed power.

True to form, the Wrights decided to build their own engine for their plane (named 'The Flyer'). The finished product put out 12 horsepower and weighed 180 lb (the entire plane weighed 605 lbs). Then came the real challenge: designing propellers. One of their greatest contributions to aviation turned out to be their pioneer research on propellers. Their final product had 70% efficiency, which is nearly as good as modern propel ers! Back at Kitty Hawk in the fall of 1903, they began assembling The Flyer. Bad weather and damage to the plane delayed flying for several months, but finally in mid-December they were ready. Because wheels would make the plane too heavy, the Wrights constructed a wooden track for the plane to move on when taking off. On December 17th, Orville climbed onto The Flyer and started the engine. It moved down the track and lifted into the air. That first flight last only 12 seconds and covered 120 feet, but it was still the first-ever controlled, heavier-than-air flight. The brothers flew the plane four times that day, and the fourth time Wilbur flew for 59 seconds, covering 852 feet.

After this breakthrough the Wrights continued to improve their plane. Now that they weren't dependent on the winds for power, they left the beaches of Kitty Hawk and moved their work to an Ohio field. By 1905, Wilbur was flying laps around the field: 24.5 miles in 39 minutes. In spite of this success, the brothers couldn't find a buyer for their invention. They decided to stop flying until they could get a sales contract. Three years later, in 1908, they received offers from the French and from the U.S. Army. Wilbur packed up a plane and went to France, where he became something of a celebrity by flying figure eights and taking up passengers (this later model had two seats). Orville demonstrated his plane for the U.S. Government and impressed them with his altitude of 300 feet, hour-long flights and average speed of 42.58 miles. They paid him $30,000 for the plane.

The age of aviation had 'taken off,' so to speak. Just 44 years after that first powered flight, airplanes began flying faster than the speed of sound; in another 14 years men were flying in space; another eight years after that they were walking on the moon. The Wright brothers' passion and perseverance laid the foundation for this astonishing and speedy technological advance.
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Science Projects: Technology Experiments

Make a Light Bulb

Thomas Edison tried thousands of experiments when he was inventing the incandescent light bulb. You can experiment too, and find out how a light bulb really works, by making your own! You will need a glass canning jar with a lid, three feet of insulated copper wire, a 6-volt battery, and thin iron wire (unraveled picture hanging wire works great).

Cut the copper wire into two equal sections. Strip at least one inch of insulation off the ends of each length of wire. Next, punch two holes in the jar lid (you can use a nail for this). Thread a wire through each hole in the lid. Make a hook at the end of each wire (the end that will be inside the jar when you put the lid on). Twist two or three strands of iron wire together, then twist the ends around the hooks in the copper wire. The iron wire will act as your filament.

Place the lid (with the filament) in the jar and carefully connect the free ends of the copper wire to the 6-volt battery. Once both ends are connected, the current should start flowing, causing the filament to heat up and give off a bright orange glow. Your homemade light bulb is working! (Note: once your filament is burned out, don't touch it right away - it will be very hot.)

For full instructions on making and experimenting with propellers, read the rest of this science project!
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Learn about Inventions: Airplane, Light Bulb, Telephone

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What if the only way you could communicate with someone living in another city was by mailing them a letter, one that might take weeks to get delivered? (Even with our modern technology, it still takes at least two weeks for mail to get to some countries.)

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Inside out - US labor movement’s fight for survival

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Many believe it is a time of extreme weakness and vulnerability for union and labor across the US. In recent years, their power has been diminishing and membership is at an all time low. Supporters call unions the backbone of America's blue collar workers, while their critics believe unions are a symbol of violence, strikes and socialist influence.

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American Imperialism: Crash Course US History #28

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Political Corruption and Progressive reforms

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Political Corruption and Progressive reforms

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The Progressives - Constitutional Rights Foundation

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The 1890's are often viewed today as a happy time period when Americans lived uncomplicated lives with few problems to worry about. But, time has a way of covering up the negative and the ugly.

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American Imperialism

https://youtu.be/QfsfoFqsFk4

Immigration

http://www.mrpsocialstudies.com/immigration-and-the-growth-of-cities.html

Political Corruption

http://www.crf-usa.org/election-central/the-progressives.html

Women's rights

https://www.google.com/url?sa=i&source=images&cd=&ved=2ahUKEwi9w_3P9anfAhWq7YMKHaauDxYQjRx6BAgBEAU&url=https%3A%2F%2Fwww.timetoast.com%2Ftimelines%2Fthe-new-woman-of-the-1920s&psig=AOvVaw2n2exvIURYYl43TrnSKU3B&ust=1545241045855002

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The Assassination of the Archduke Franz Ferdinand

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The Assassination of the Archduke Franz Ferdinand

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The victims, Archduke Franz Ferdinand - heir to the throne of the Austro-Hungarian Empire, and his wife Sophie, were in the Bosnian city in conjunction with Austrian troop exercises nearby. The couple was returning from an official visit to City Hall. The assassin, 19-year-old Gavrilo Princip burned with the fire of Slavic nationalism. He envisioned the death of the Archduke as the key that would unlock the shackles binding his people to the Austro-Hungarian Empire.
"When Francis Ferdinand and his retinue drove from the station they were allowed to pass the first two conspirators. The motor cars were driving too fast to make an attempt feasible and in the crowd were many Serbians; throwing a grenade would have killed many innocent people.

When the car passed Gabrinovic, the compositor, he threw his grenade. It hit the side of the car, but Francis Ferdinand with presence of mind threw himself back and was uninjured. Several officers riding in his attendance were injured.

The cars sped to the Town Hall and the rest of the conspirators did not interfere with them. After the reception in the Town Hall General Potiorek, the Austrian Commander, pleaded with Francis Ferdinand to leave the city, as it was seething with rebellion. The Archduke was persuaded to drive the shortest way out of the city and to go quickly.

The road to the maneuvers was shaped like the letter V, making a sharp turn at the bridge over the River Nilgacka [Miljacka]. Francis Ferdinand's car could go fast enough until it reached this spot but here it was forced to slow down for the turn. Here Princip had taken his stand.
As the car came abreast he stepped forward from the curb, drew his automatic pistol from his coat and fired two shots. The first struck the wife of the Archduke, the Archduchess Sofia, in the abdomen. She was an expectant mother. She died instantly.

The second bullet struck the Archduke close to the heart.

He uttered only one word, 'Sofia' -- a call to his stricken wife. Then his head fell back and he collapsed. He died almost instantly.

The officers seized Princip. They beat him over the head with the flat of their swords. They knocked him down, they kicked him, scraped the skin from his neck with the edges of their swords, tortured him, all but killed him."

Count Franz von Harrach rode on the running board of the royal car serving as a bodyguard for the Archduke. His account begins immediately after Princip fires his two shots:

"As the car quickly reversed, a thin stream of blood spurted from His Highness's mouth onto my right check. As I was pulling out my handkerchief to wipe the blood away from his mouth, the Duchess cried out to him, 'In Heaven's name, what has happened to you?' At that she slid off the seat and lay on the floor of the car, with her face between his knees.
I had no idea that she too was hit and thought she had simply fainted with fright. Then I heard His Imperial Highness say, 'Sopherl, Sopherl, don't die. Stay alive for the children!'

At that, I seized the Archduke by the collar of his uniform, to stop his head dropping forward and asked him if he was in great pain. He answered me quite distinctly, 'It's nothing!' His face began to twist somewhat but he went on repeating, six or seven times, ever more faintly as he gradually lost consciousness, 'It's nothing!' Then, after a short pause, there was a violent choking sound caused by the bleeding. It was stopped as we reached the Konak."

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Assassination of Archduke Ferdinand, 1914

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The victims, Archduke Franz Ferdinand - heir to the throne of the Austro-Hungarian Empire, and his wife Sophie, were in the Bosnian city in conjunction with Austrian troop exercises nearby. The couple was returning from an official visit to City Hall. The assassin, 19-year-old Gavrilo Princip burned with the fire of Slavic nationalism.

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World War I shaped our world in many, many, many ways. And it's important to realize it wasn't that long ago. It was not even 100 years ago. But it was really the end of the more traditional empires. It was the end of kingdoms. It really reshaped much of the globe much more around states defined by nations rather than states defined by monarchies or states defined by empires. And it was also the first war where technology, or I would say modern technology-- technology has always played a major role in wars. In fact, wars have been a catalyst for technology often. But it was the first time that much of what we consider to be modern technology played a huge role in the actual carrying out of the war. And to a large degree, this is what made the war so much bloodier, and one could argue, even more protracted. So here I have a bunch of pictures of the various technologies used in World War I. Here in this picture you have a machine gun, which obviously allows you to indiscriminately mow down folks. These guys, it looks like they might be in some type of a trench. And so you could imagine that combination if viewed from above. So let's say that this is a trench. This is a trench right over here. We're looking from above. So there's some people sitting in the trench. A couple of these folks have machine guns. The rest of the guys just have rifles over here. If you wanted to storm this trench, you'd be in a bad situation. The guy with the machine gun essentially could just mow people down. They also tended to use barbed wire. Barbed wire wasn't invented in World War I. It was invented many decades before in the 1800s. But that would make it very hard for someone to cross this period. They would get stuck in it. At which point these guys in the trench could shoot him down. And it would be very hard to shoot the guys in the trench. So it also, other than making it very deadly, it gave all the advantages to the defense. So any time someone wanted to gain ground, especially in one of the fronts where trench warfare was being used, it was a hugely, hugely, hugely bloody affair. The other technology that came into mainstream use in World War I was the use of gas, and in particular poison gas. And as you see these gentleman right over here, they're wearing gas masks because they're afraid that their opponent is going to use poison gas. And the benefit of gas in particular is let's say you have an artillery shell that you throw over and it doesn't hit anybody. But then it starts releasing a canister of-- let me do that in a different color-- it starts releasing a canister of gas. So the gas I've drawn in this purplish color. And so it doesn't have to be a direct hit. It can just linger there and infect that trench. And it'll affect everyone there. And gas warfare was-- actually, the Germans weren't first to use just gas warfare. But they were the first to use very lethal, what we would call poison, gas. And in particular in 1915, they used chlorine gas. So let me write that down. Chlorine gas, which immediately attacks the respiratory system of the person who inhales it. And they essentially choke to death within seconds or minutes. They also used phosgene gas because this did not stimulate that choking. And in some ways it could infiltrate the respiratory system even more. It had a delayed effect. So it would linger around. And you have the use of mustard gas. Mustard gas was very hard to protect against. It wouldn't immediately have you choke to death like chlorine gas. It would be severe blistering. It would essentially take you out of the battle. It was very hard to protect against. And it would also linger around in the trench. So it made the trench a very toxic environment to work in. So these are very, very, very ugly weapons. I mean, war itself is ugly. Weapons themselves are ugly. I mean, the machine gun is not a pleasant weapon. It can mow people down. But even folks who view something like a machine gun as an acceptable thing tend to view these things as particularly ugly things to use. Other weapons that showed up in World War I, we talked about this in other videos, but the tank started to become a factor. This right over here is an American tank. Obviously, with these treads it can go in tough terrain. It's heavily, heavily armored. When you talk about this trench type of thing, well, if you've got a big hulking beast, maybe that could roll through the barbed wire and take some beating and maybe eventually-- so you could imagine a tank over here, it could eventually-- and actually the tanks at this time did not have these big turrets. So they might have looked something more like that. But this might be able to actually be part of an offensive against a trench like this. We've talked extensively about submarine warfare in World War I. The Germans especially used it, essentially to have a chance against the dominant British Navy. Unrestricted U-boat warfare was one of the primary reasons given by the Americans as to why they entered the war on the side of the entente. These are World War I era US submarines, just to give an idea of how they actually looked. And in some ways the best foreshadowing of what would play a major, major, major role in future wars it was the bringing of heavier than air craft into the war. So in particular, we're talking about airplanes. So before this, you had stuff like balloons and zeppelins used for reconnaissance, used to see where we should aim the artillery, things like that. But now you had the Wright brothers only, frankly, several years before inventing the engine powered heavier than air craft. And at first the airplane, in the beginning stages the war, was used for reconnaissance. But as the technology improved, as the engines improved, it started to be used for bombing. It started to actually used for air to air combat. And out of all of the folks involved in air to air combat, this gentleman right over here is probably the most famous. Although you might not recognize his name. He's been turned into a bit of a caricature in the modern world. But this is Manfred von Richthofen. And he was a pilot for the Germans. And he's more famously known as the Red Baron. And he was called the Red Baron because he was actually a Baron. It is a title of nobility in imperial Germany. And he painted his plane red. So this is a picture of his plane right over here. So if I were to color it in-- I guess this isn't quite red. I should actually probably try to get a more reddish color. So maybe this is more of a red. So this is obviously a black and white photograph, but maybe if I color it in for you, you'll get more of the feeling of what his plane might have looked like. And it was a triplane. It had these three wings right over here, or three levels of wings. So whatever, his plane was red. That's why he was called the Red Baron. And he was famous for being the most lethal pilot in all of the war. He has 80 confirmed kills. He was able to down 80 enemy aircraft. So 80 confirmed wins, I guess you can say in combat, which is more than any other folks in World War I. So very, very famous pilot. He himself-- when you're talking about any of the combatants in World War I did not have a long life expectancy. The pilots especially this was a dangerous game. And he also, despite being the top pilot, the top ace, amongst all the pilots in World War I, he also ended up getting shot in the air in 1918. He literally got shot through the lungs and the heart. He somehow managed to land his plane. And when the people ran up to him, the accounts say, that his famous last words as he died, right when they ran up to him, was "kaput". So interesting. And on top of that, he's now been turned into a bit of a caricature. I mean, us in the West, in the US, we recognize the brand Red Baron pizza. It is named for the Red Baron, for Manfred von Richthofen. Kind of a strange name, I think, for a pizza company. I mean, he's not even Italian. But that's, I guess, what we know him for. But you see, this guy right over here looks a lot more like Tom Selleck than look like the real Manfred von Richthofen.

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Technology in World War I (video) | Khan Academy

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World War I shaped our world in many, many, many ways. And it's important to realize it wasn't that long ago. It was not even 100 years ago. But it was really the end of the more traditional empires.

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How was peace established at the end of WW1

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How was peace established at the end of WW1

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On January 18, 1919, in Paris, France, some of the most powerful people in the world meet to begin the long, complicated negotiations that would officially mark the end of the First World War.

Leaders of the victorious Allied powers-France, Great Britain, the United States and Italy-would make most of the crucial decisions in Paris over the next six months. For most of the conference, U.S. President Woodrow Wilson struggled to support his idea of a "peace without victory" and make sure that Germany, the leader of the Central Powers and the major loser of the war, was not treated too harshly. On the other hand, Prime Ministers Georges Clemenceau of France and David Lloyd George of Britain argued that punishing Germany adequately and ensuring its weakness was the only way to justify the immense costs of the war. In the end, Wilson compromised on the treatment of Germany in order to push through the creation of his pet project, an international peacekeeping organization called the League of Nations.
WATCH: Did WWI Lead to WWII?
Representatives from Germany were excluded from the peace conference until May, when they arrived in Paris and were presented with a draft of the Versailles Treaty. Having put great faith in Wilson's promises, the Germans were deeply frustrated and disillusioned by the treaty, which required them to forfeit a great deal of territory and pay reparations. Even worse, the infamous Article 231 forced Germany to accept sole blame for the war. This was a bitter pill many Germans could not swallow.

The Treaty of Versailles was signed on June 28, 1919, five years to the day after a Serbian nationalist's bullet ended the life of Austrian Archduke Franz Ferdinand and sparked the beginning of World War I. In the decades to come, anger and resentment of the treaty and its authors festered in Germany. Extremists like Adolf Hitler's National Socialist (Nazi) Party capitalized on these emotions to gain power, a process that led almost directly to the exact thing Wilson and the other negotiators in Paris in 1919 had wanted to prevent-a second, equally devastating global war.
SEE MORE: World War I-in Color

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Post-World War I peace conference begins in Paris

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On January 18, 1919, in Paris, France, some of the most powerful people in the world meet to begin the long, complicated negotiations that would officially mark the end of the First World War. Leaders of the victorious Allied powers-France, Great Britain, the United States and Italy-would make most of the crucial decisions in Paris over the next six months.

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automotive industry | History, Developments, & Facts

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Automotive industry: Automotive industry, all those companies and activities involved in the manufacture of motor vehicles, including most components, such as engines and bodies, but excluding tires, batteries, and fuel. The industry's principal products are passenger automobiles and light trucks.

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National Archives, Washington, D.C. (12573155)

The Great Depression of the late 1920s and '30s remains the longest and most severe economic downturn in modern history. Lasting almost 10 years (from late 1929 until about 1939) and affecting nearly every country in the world, it was marked by steep declines in industrial production and in prices (deflation), mass unemployment, banking panics, and sharp increases in rates of poverty and homelessness. In the United States, where the effects of the depression were generally worst, between 1929 and 1933 industrial production fell nearly 47 percent, gross domestic product (GDP) declined by 30 percent, and unemployment reached more than 20 percent. By comparison, during the Great Recession of 2007-09, the second largest economic downturn in U.S. history, GDP declined by 4.3 percent, and unemployment reached slightly less than 10 percent.

There is no consensus among economists and historians regarding the exact causes of the Great Depression. However, many scholars agree that at least the following four factors played a role.

The stock market crash of 1929. During the 1920s the U.S. stock market underwent a historic expansion. As stock prices rose to unprecedented levels, investing in the stock market came to be seen as an easy way to make money, and even people of ordinary means used much of their disposable income or even mortgaged their homes to buy stock. By the end of the decade hundreds of millions of shares were being carried on margin, meaning that their purchase price was financed with loans to be repaid with profits generated from ever-increasing share prices. Once prices began their inevitable decline in October 1929, millions of overextended shareholders fell into a panic and rushed to liquidate their holdings, exacerbating the decline and engendering further panic. Between September and November, stock prices fell 33 percent. The result was a profound psychological shock and a loss of confidence in the economy among both consumers and businesses. Accordingly, consumer spending, especially on durable goods, and business investment were drastically curtailed, leading to reduced industrial output and job losses, which further reduced spending and investment.

Banking panics and monetary contraction. Between 1930 and 1932 the United States experienced four extended banking panics, during which large numbers of bank customers, fearful of their bank's solvency, simultaneously attempted to withdraw their deposits in cash. Ironically, the frequent effect of a banking panic is to bring about the very crisis that panicked customers aim to protect themselves against: even financially healthy banks can be ruined by a large panic. By 1933 one-fifth of the banks in existence in 1930 had failed, leading the new Franklin D. Roosevelt administration to declare a four-day " bank holiday" (later extended by three days), during which all of the country's banks remained closed until they could prove their solvency to government inspectors. The natural consequence of widespread bank failures was to decrease consumer spending and business investment, because there were fewer banks to lend money. There was also less money to lend, partly because people were hoarding it in the form of cash. According to some scholars, that problem was exacerbated by the Federal Reserve, which raised interest rates (further depressing lending) and deliberately reduced the money supply in the belief that doing so was necessary to maintain the gold standard (see below), by which the U.S. and many other countries had tied the value of their currencies to a fixed amount of gold. The reduced money supply in turn reduced prices, which further discouraged lending and investment (because people feared that future wages and profits would not be sufficient to cover loan payments).

The gold standard. Whatever its effects on the money supply in the United States, the gold standard unquestionably played a role in the spread of the Great Depression from the United States to other countries. As the United States experienced declining output and deflation, it tended to run a trade surplus with other countries because Americans were buying fewer imported goods, while American exports were relatively cheap. Such imbalances gave rise to significant foreign gold outflows to the United States, which in turn threatened to devalue the currencies of the countries whose gold reserves had been depleted. Accordingly, foreign central banks attempted to counteract the trade imbalance by raising their interest rates, which had the effect of reducing output and prices and increasing unemployment in their countries. The resulting international economic decline, especially in Europe, was nearly as bad as that in the United States.

Decreased international lending and tariffs. In the late 1920s, while the U.S. economy was still expanding, lending by U.S. banks to foreign countries fell, partly because of relatively high U.S. interest rates. The drop-off contributed to contractionary effects in some borrower countries, particularly Germany, Argentina, and Brazil, whose economies entered a downturn even before the beginning of the Great Depression in the United States. Meanwhile, American agricultural interests, suffering because of overproduction and increased competition from European and other agricultural producers, lobbied Congress for passage of new tariffs on agricultural imports. Congress eventually adopted broad legislation, the Smoot-Hawley Tariff Act (1930), that imposed steep tariffs (averaging 20 percent) on a wide range of agricultural and industrial products. The legislation naturally provoked retaliatory measures by several other countries, the cumulative effect of which was declining output in several countries and a reduction in global trade.

Just as there is no general agreement about the causes of the Great Depression, there is no consensus about the sources of recovery, though, again, a few factors played an obvious role. In general, countries that abandoned the gold standard or devalued their currencies or otherwise increased their money supply recovered first (Britain abandoned the gold standard in 1931, and the United States effectively devalued its currency in 1933). Fiscal expansion, in the form of New Deal jobs and social welfare programs and increased defense spending during the onset of World War II, presumably also played a role by increasing consumers' income and aggregate demand, but the importance of this factor is a matter of debate among scholars.

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What brought about the worst economic downturn in modern history?