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After the Great World, most of people hoped there would be the war that ended all wars. Before the war ended, Russia witnessed the first communist revolution.
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The former Tsarist Empire was substituted by a federal made up by several European and Asian republics. Lenin died in 1924.
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On 24 October 1929, the New York investors panicked and try to sell their stocks. The cause of this were the high price of the stocks did not correspond with its real value. But as a consequence, the stock prices fell and fell.
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The economist John Maynard´s ideas became popular as the best method to solve the economic problems. He was thinking too many things or ideas to solve the problems.
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The civil war occur because Northern and Southern states were developing many lifestyles and cultures.