20 s thru 40s

History Technology Project 1921-1941

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    The Roaring 20s

    The Roaring Twenties refers to the decade of the 1920s in Western society. It was a period of economic prosperity in the United States and Europe--particularly in major cities such as Berlin, Chicago, London, Los Angeles, New York City, Paris, and Sydney. This was one of the four main causes of the up-incoming Great Depression.
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    The Great Depression

    The Great Depression was a severe economic depression in the United States that that took place between 1929 and 1933. The main causes of this economic crash are the Roaring 20s, stock market crash, dust bowl, and Smoot-Hawley Tariff Act.
  • The Stock Market Crash

    The Stock Market Crash
    The stock market crash of 1929 was a collapse of stock prices that began on October 24, 1929. Over a span of five days, the Dow Jones Industrial Average had dropped 24.8%, marking one of the worst declines in U.S. history. This crash was the second main cause of the Great Depression.
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    The Dust Bowl

    The Dust Bowl was a period of severe dust storms that greatly damaged the agriculture of American prairies during the 1930s; the main cause of this period was severe drought, coupled with a failure to apply dryland farming methods. This event was the third main cause of the Great Depression--Although the Great Depression was during this period, the Dust Bowl aided in the worsening of the economy.
  • Smoot–Hawley Tariff Act

    Smoot–Hawley Tariff Act
    The Tariff Act of 1930, commonly known as the Smoot–Hawley Tariff, was a law that implemented special trade policies in the United States. This Act was the fourth main cause of the Great Depression, because it increased 900 import tariffs by an average of 45%. This Act also is linked to the cause of World War 2.
  • Establishment of the Reconstruction Finance Corporation

    Establishment of the Reconstruction Finance Corporation
    Congress chartered the Reconstruction Finance Corporation to provide aid to state and local governments and loans to banks. This Corporation aided in the lending of money during the Great Depression.
  • The Emergency Banking Act

    The Emergency Banking Act
    The Emergency Banking Act was a federal law passed in 1933. Signed into law by President Franklin D. Roosevelt, the act granted the president, and other authorities, regulatory authority over the nation's banking system. This instituted a national "bank holiday," closing all banks, and allowing for recovery during the Great Depression.
  • Franklin D. Roosevelt Becomes President

    Franklin D. Roosevelt Becomes President
    Franklin Delano Roosevelt was an American politician who served as the 32nd president of the United States from 1933 until his death in 1945.
  • Agricultural Adjustment Act

    Agricultural Adjustment Act
    The Agricultural Adjustment Act was a federal law passed in 1933 as part of U.S. president Franklin D. Roosevelt's "New Deal." The law offered farmers subsidies in exchange for limiting their production of certain crops, limiting overproduction so that crop prices could increase.
  • Social Security Act Passed

    Social Security Act Passed
    On August 14, 1935, the Social Security Act established a system of benefits for workers; unemployment insurance, benefits for victims of industrial accidents, and aid for dependent mothers and children, the blind, and the physically handicapped.
  • German Invasion of Poland

    German Invasion of Poland
    The invasion of Poland marked the beginning of World War II for most of the world. The German invasion began on 1 September 1939, violating the Treaty of Versailles.
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    World War II

    A global economic crisis gave way to a global war that became the deadliest and most destructive in human history--World War II. The war saw industrialized genocide and nearly threatened the eradication of an entire people. Additionally, it also unleashed the most fearsome technology ever used in war. The United States emerged as the world’s greatest superpower. Nazi Germany's attack on Poland and the Japanese attack on Pearl Harbor are seen as the main two event causing the second great war.
  • The Holocaust Begins

    The Holocaust Begins
    With the rise of Nazi Germany was the fall of the Jewish people. The Holocaust was a horrible, four year period, of the genocide of millions of Jews. This devastating period began with a racist ideology, instituted by the Nuremberg Laws--new laws which institutionalized many of the racial theories prevalent in Nazi ideology against Jews.
  • Pearl Harbor

    Pearl Harbor
    The attack on Pearl Harbor was a surprise, preemptive military strike by the Imperial Japanese Navy Air Service on the United States against the naval base at Pearl Harbor, Honolulu on December 7, 1941. This attack is seen as the main cause of the Unites States entering World War II.