Description: The Missouri Compromise was an agreement to keep the balance of power between free and slave states. It allowed Missouri to join the U.S as a slave state and Main as a free state and banned slavery in new territories north of the 36°30' latitude line.

Historical significance: temporarily eased conflicts by maintaining a balance in Congress between free and slave states, however it helped lead to the civil war because it showed how divided the north and south were

Description: A U.S policy stating that the European countries should not interfere in the affairs in the Americas. It said that the western Hemisphere was off limits to new colonization and stated the U.S would not interfere in European conflicts.

Historical significance: Declared that the entire western hemisphere was off limits to any European colonization, solidifying the position of America as a major power and stopping Europeans from interfering with newly independent Latin American countries

Description: A law that was passed that allowed the U.S government to relocate Native America tribes from their lands to territories west of the mississippi river.

Historical significance: it allowed forced relocation of natives and killed thousands

Description: A set of laws that were set to try to ease tension between free and slave states. It also allowed California to join as a free state, and helped bring stricter fugitive slave laws, and let new territories decide on slavery through popular vote.

Historical significance: laws to try to ease tension between free and slave states after obtaining new territories after the Mexican American War

Description: A novel telling the story of enslaved people and showed the cruelty of slavery, and inspiring anti-slavery movements in the north making the south angry.

Historical significance: This novel played a big role in increasing tensions before the civil war and influenced public opinion about slavery and contributing to the abolitionist movements.

Description: A series of violent conflicts between pro-slavery and anti-slavery groups in Kansas because they were both trying to influence whether Kansas would allow slavery or not.

Historical significance: A part of the political storm between anti and pro slavery, and contributed to heightened tension and the civil war

Description: A supreme court case that said that African Americans were not U.S citizens and had no rights to sue in federal court. It also stated that Congress could not ban slavery in the territory's, making the missouri compromise unconstitutional.

Historical significance: It deepens the divide between the north and south over slavery, and by undermining the Missouri compromise, helped expand the reach of slavery in the states.

Description: Lincoln represented the republican party and disagreed with the expansion of slavery, his election led to southern states parting from the union.

Historical significance: This was the last straw for the southern states because they wanted slavery, so they broke away from the union making the confederacy and beginning the civil war

Description: The conflict between the north (union) and the south (confederates) over slavery and states rights. It ended in the union winning and the abolition of slavery.

Historical significance: It preserved the U.S as a single nation and was a turning point for american history because it abolished slavery completely, and set up the path for civil rights advancements.

Description: The emancipation proclamation declared that all enslaved people in Confederate states were free, and it shifted the civil wars focus to ending slavery.

Historical significance: it helped end slavery, strengthened the unions moral cause and helped make the 13th amendment that abolished slavery.

Description: The speech made by Lincoln at the site of the battle of Gettysburg, it honored soldiers that died and highlighted the importance of unity and freedom.

Historical significance: it focused on the equality and preservation of the union, and it said that the idea that the nation was built on was that all people were created equal.

Description: A series of laws that divided the Confederate states into military districts, making them establish new governments that guaranteed voting rights to black men and ratified the 13th and 14th amendments

Historical significance: This abolished slavery, gerenteed voting rights to black men, established citizenship to people of color and established legal grounds for civil rights

Description: The U.S purchased Alaska from Russia, this doubled the size of the U.S and gave access to the Pacific ocean

Historical significance: Was the end of Russian presence in north America, allowing the U.S to expand its territory and gave the U.S access to the Pacific

Description: The telephone was the first invention to allow people to communicate instantly over long distances, and was a major new invention

Historical significance: this revolutionized communication by letting people have real time conversations with each other across very long distances, and it opened the world to faster communication

Description: a violet occident in Chicago where a bomb exploded during a labor protest in Haymarket square, killing several police officers and citizens

Historical significance: led to a widespread public fear of labor unions and anarchist movements, resulting in backlash against organized labor and the execution of several labor leaders

Description: A law that allowed the U.S government to divide native American reservation lands into individual plots of land

Historical significance: it aimed to migrate native Americans into mainstream society by dividing tribal lands into individual plots breaking up communal land ownership and massive loss of native American land

Description: A nationwide railroad worker strike against the pullman palace car company, workers protested significant wage cuts well rent in the town of Pullman stayed the same, and eventually the government sent in troops to stop the strike

Historical significance: showed the power of organized labor on a national sale and showed the governments willingness to use federal troops to suppress strikes

Description: the court case that established the separate but equal doctrine, allowing states to have separate facilities for black and white people as long as they were of equal quality

Historical significance: the supreme court case that upheld the constitutionality of racial segregation laws

Description: the conflict between the U.S and span that ended the Spanish colonial rule in the Americas and resulted in the U.S hold of territories in the western pacific and Latin America

Historical significance: Led the U.S into the global stage as a major power by securing control of former spanish colonies like cuba, puerto rico, and the philippines.

Description: Resulted in economic integration and the rise of the U.S as a Pacific power and expanded the U.S

Historical significance: Extended the U.S territory into the pacific and helped establishing the U.S as a major power, and overthrowing the hawaiian monarchy

Description: An anarchist shot president McKinley twice in the chest and abdomen

Historical significance: This lead to the creation of the secret service and anti-anarchist laws to protect the president and other important people

Description: The U.S and the british negotiated over who would build it and control it, but also allow access for other countries.

Historical significance: The building of the panama canal led revolutionized global trade.

Description: Teddy Roosevelt won the noble peace prize because of his ability to keep foreign relations at ease and his efforts to stop the russo-japanese war

Historical significance: He was able to position himself as a negotiator of the two nations at war, becoming the first american to win a Nobel peace prize