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http://ethw.org/World_War_I_Technology

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Education in the 1920's required that young people stayed in school until age 16 - 18 or until graduation fro m high school.

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Americans continued to fear communist power years after Bolshevik Revolution.
The Bolshevik Revolution was the second stage of the Russian Revolution (1917). Vladimir Lenin seized power and established a Communist State. This sparked a little Communist party in the US.
There was a period of anticommunism called the big red scare. Those suspected were deported by the "Palmer Raids" of Attorney General A. Mitchell Palmer.
A number of legislatures passed criminal syndicalism laws that outlawed the advocacy of violence to secure social change.
Businesses used this to break underdeveloped unions. To defeat unionism the American Plan campaign was created by employers. Managers wanted to strengthen their relationships with workers and offer benefits.
Cases reflected Anti-redism and antiforeignism. Sacco and Vanzetti were convicted 1921 for the murder of a paymaster and security guard. Judges and the jury were prejudiced against them because they were Italian. Both were executed.

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Professor John Dewey  made the most revolutionary contribution to educational theory during these years by setting forth the  principles  of "learning by doing" that formed a progressive education.

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Postwar reaction sprouted a new Ku Klux Klan in the early 1920s. They were anti foreign , anti-Catholic, antilock, anti-jewish, anti pacifist, anti-communist, and-internationalist, anti-evolutionist, anti bootlegger, antigambling, anti adultery, and anti-birthconrol.
Collapsed suddenly in the late 1920s. People recoiled, and congressional investigation was launched. The movement was exposed, and declined.

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Immigrants began to flood into the country again in the 1920s.
Congress temporarily handled it with the Emergency Quota Act (1921). This system was favorable to the immigrants from southern and Eastern Europe.
It was soon replaced by the Immigration Act of 1924 ("National Origins Act").  This established quotas for immigration, cut from 3% to 2%.

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https://en.wikipedia.org/wiki/Margaret_Sanger

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https://www.poets.org/poetsorg/poet/langston-hughes

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https://www.economist.com/news/books-and-arts/21572176-americas-30th-president-has-been-much-misunderstood-when-less-led-more

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Signals abounded that the economic joyride might end in a crash. Several hundred banks failed annually.

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Signals abounded that the economic joyride might end in a crash. Several hundred banks failed annually.

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This something-for-nothing craze was illustrated by real estate speculation, especially the fantastic Florida boom that culminated in 192

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This something-for-nothing craze was illustrated by real estate speculation, especially the fantastic Florida boom that culminated in 192

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Numerous underwater lots were sold to eager purchasers for preposterous sums.

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Numerous underwater lots were sold to eager purchasers for preposterous sums.

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https://prezi.com/edggvugyl8mu/hollywoods-filmland-fantasies/

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Likewise in literature and the arts, an older era seemed to have ground to a halt with the recent war.

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Likewise in literature and the arts, an older era seemed to have ground to a halt with the recent war.

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A few novelists who had been popular in the previous decades continued to thrive, notably the well-to-do, cosmopolitan New Yorker Edith Wharton and the Virginia-born Willa Cather, esteemed for her stark but sympathetic portrayals of pioneering on the prairies.

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A few novelists who had been popular in the previous decades continued to thrive, notably the well-to-do, cosmopolitan New Yorker Edith Wharton and the Virginia-born Willa Cather, esteemed for her stark but sympathetic portrayals of pioneering on the prairies.

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Animated by the spark of the international modernist movement  people bestowed on American culture a new vitality, imitativeness, and artistic daring. Making a huge impact and revolution in literature, art, culture and a way of living.

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Animated by the spark of the international modernist movement  people bestowed on American culture a new vitality, imitativeness, and artistic daring. Making a huge impact and revolution in literature, art, culture and a way of living.

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Women continued to find opportunities for employment in the cities, though they tended to cluster in a few low-paying jobs (such as retail clerking and office typing) that became classified as “women’s work.” An organized birth-control movement, led by the fiery feminist Margaret Sanger ((1879-1966) A nurse and prominent birth-control activist who founded the American Birth Control League in 1921, which eventually became the Planned Parenthood Federation of America.

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Women continued to find opportunities for employment in the cities, though they tended to cluster in a few low-paying jobs (such as retail clerking and office typing) that became classified as “women’s work.” An organized birth-control movement, led by the fiery feminist Margaret Sanger ((1879-1966) A nurse and prominent birth-control activist who founded the American Birth Control League in 1921, which eventually became the Planned Parenthood Federation of America.

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The flickering movie was the fruit of numerous geniuses, including Thomas A.Edison.

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The flickering movie was the fruit of numerous geniuses, including Thomas A.Edison.

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As early as the 1890s, this novel contraption, though still in crude form, had attained some popularity in the naughty peep-show penny arcades.

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As early as the 1890s, this novel contraption, though still in crude form, had attained some popularity in the naughty peep-show penny arcades.

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The Great Train Robbery, was featured in theaters, called “nickelodeons.” Spectacular among the first full-length classics was D.

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The Great Train Robbery, was featured in theaters, called “nickelodeons.” Spectacular among the first full-length classics was D.

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White southerners reputedly fired guns at the screen during the attempted “rape” scene.

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White southerners reputedly fired guns at the screen during the attempted “rape” scene.

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African Americans were outraged at the film and angrily organized protest marches, petition campaigns, and public hearings.

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African Americans were outraged at the film and angrily organized protest marches, petition campaigns, and public hearings.

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The speed of the airplane was far eclipsed by the speed of radio waves.

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The speed of the airplane was far eclipsed by the speed of radio waves.

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Guglielmo Marconi, an Italian, invented wireless telegraphy in the 1890s. His brainchild was used for long- range communication during World War I.

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Guglielmo Marconi, an Italian, invented wireless telegraphy in the 1890s. His brainchild was used for long- range communication during World War I.

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The radio made a significant contribution, educationally and culturally.

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The radio made a significant contribution, educationally and culturally.

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Politicians had to adjust their speaking techniques to the new medium, and millions rather than thousands of voters heard their promises and pleas.

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Politicians had to adjust their speaking techniques to the new medium, and millions rather than thousands of voters heard their promises and pleas.

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The Mass-Consumption                  Economy

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The Mass-Consumption                  Economy

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"Monkey Trial", 1925 was an early battle in an American "culture war" that is still being executed 75 years later. Rockefeller Foundation, 1909 launched a public health program that wiped out the hookworm by the 1920's. This helped to increase life expectancy of newborn infants.

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Religionists said that the teaching of Darwinian evolution was destroying faith in God and the Bible and contributing to moral breakdown. Several attempts were made to make laws prohibiting the teaching of evolution. John T. Scope, a high school biology teacher was indicted for teaching evolution, he was found guilty. Fundamentalism helped with the literal reading of the Bible in American spiritual lives especially Baptist churches.

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https://creation.com/tennessee-monkey-business

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https://apushtheroaring1920s.weebly.com/a-mass-consumption-economy.html

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The economy struggled in the recession of  1920-1921. The productivity of the laborer increased because the ingenious machines were powered by cheap energy from newly tapped oil fields. in the 1920's supplying electrical power for the new machines became a giant business. Americans owned almost 30 million cars by 1930. Advertising became a new profession founded by Bruce Barton.

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Sports was the big business in the consumer economy of the 1920's. Babe Ruth, a home run hero. the fans bought so many tickets until the Yankee Stadium became known as " the house that Ruth built." The use of credit cards was another innovative feature of the economy    " Possess today and pay tomorrow." Puritans even went to owning refrigerators, vacuums, cars, radios,etc.This made the economy become more vulnerable to the disruptions of credit structure, debt.

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Putting America on Rubber                        Tires 

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Putting America on Rubber                        Tires 

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https://prezi.com/bam_lgyz6au_/putting-america-on-rubber-tires/

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The new industrial revolution in America changed the daily lives of people in ways you wouldn't imagine.  The automobile indicated a new industrial system of all the inventions of the era. Americans adapted the gasoline engines from Europeans. Detroit became the motorcar capital of America. Frederick W. Taylor was an inventor and engineer who aimed to get rid of waste motion. He was named "Father of Scientific Management", this system gained popularity across the US and Europe.

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Henry has been called "Father of the Traffic Jam", he put America on rubber tires. He built a personal empire on the cornerstone of his mechanical genius, even though most of the organizational talent was provided by his associates. After two failures, he developed a system of assembly line manufacturing and mass production named Fordism. He is the founder of the Ford Motor Company and developer of the  Model T car. Henry made the cost of production low enough for people with regular jobs to buy a car.