Isolationism in the U.S. before World War II was driven by a desire to avoid getting entangled in European and Asian conflicts due to memories of World War I casualties.
Isolationism in the U.S. before World War II was influenced by a desire to avoid involvement in European and Asian conflicts. The Neutrality Acts of the 1930s were passed to maintain a policy of neutrality by prohibiting trade with nations at war. The U.S. public's memories of the large number of casualties in World War I further reinforced isolationist sentiment.
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