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  2. History of depression - Wikipedia

    en.wikipedia.org/wiki/History_of_depression

    In the mid-20th century, researchers theorized that depression was caused by a chemical imbalance in neurotransmitters in the brain, a theory based on observations made in the 1950s of the effects of reserpine and isoniazid in altering monoamine neurotransmitter levels and affecting depressive symptoms. [32]

  3. Great Depression in the United States - Wikipedia

    en.wikipedia.org/wiki/Great_Depression_in_the...

    The Wall Street Crash of 1929 is often cited as the beginning of the Great Depression. It began on October 24, 1929, and kept going down until March 1933. It was the longest and most devastating stock market crash in the history of the United States. Much of the stock market crash can be attributed to exuberance and false expectations.

  4. Great Depression - Wikipedia

    en.wikipedia.org/wiki/Great_Depression

    Unemployed people lined up outside a soup kitchen in Chicago during the Great Depression. The Great Depression (1929–1939) was a severe global economic downturn that affected many countries across the world. It became evident after a sharp decline in stock prices in the United States, the largest economy in the world at the time, leading to a ...

  5. Freedom from Fear: The American People in Depression and War ...

    en.wikipedia.org/wiki/Freedom_From_Fear:_The...

    Followed by. Grand Expectations: The United States, 1945–1974. Freedom from Fear: The American People in Depression and War, 1929–1945 is a 1999 nonfiction book by the American historian David M. Kennedy. Published as part of the Oxford History of the United States, Freedom from Fear covers the history of the United States during the Great ...

  6. History of mental disorders - Wikipedia

    en.wikipedia.org/wiki/History_of_mental_disorders

    Health. v. t. e. Historically, mental disorders have had three major explanations, namely, the supernatural, biological and psychological models. [1] For much of recorded history, deviant behavior has been considered supernatural and a reflection of the battle between good and evil. When confronted with unexplainable, irrational behavior and by ...

  7. Causes of the Great Depression - Wikipedia

    en.wikipedia.org/wiki/Causes_of_the_Great_Depression

    The Great Depression in a monetary view. In their 1963 book A Monetary History of the United States, 1867–1960, Milton Friedman and Anna Schwartz laid out their case for a different explanation of the Great Depression. Essentially, the Great Depression, in their view, was caused by the fall of the money supply.

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