How did world war 1 affect the atitude of many americans?

Great depression

Explanation:

the great depression happened after world war one, due to the giant catastrophe that happened during the war, many people became unemployed, lost their house, and starved. the stock market crashed and people were anxious about their money.

After WW1 many Americans became fearful of foreign influences and of being pulled into another war. The U.S. picked up an isolationists policy again. This would continue until the 30's as WW2 began becoming more severe. The U.S. was however dragged into war again after the attack on Pearl Harbor.

where is the subject? hahahaha

john maynard keynes developed new economic theories in response to the : b) great depression of the 1930s. his theories are so important that they are known as "keynesianism". in his works he supports the idea of a government with deeper involvement and intervention to end the great depression.