Question

Why did the United States follow a policy of isolationism after World War I?

Answer 1

To stay away from getting involved in the European affairs.

Answer 2

During the 1930s, the United States mainly focused on solving the problems brought about by the Great Depression. Therefore, the United States adopted Isolationism after the First World War to avoid getting involved in the European affairs.

(with reference from World History Express book 3A)