At the end of World War I, Americans who were isolationists wanted the US to join the League of Nations sought the reelection of Woodrow Wilson in 1920. thought the US should become involved in the Russian Civil War favored returning to a policy that kept the US out of foreign affairs

## Step 1<br />The question is asking about the stance of Americans who were isolationists at the end of World War I. Isolationism is a policy of remaining apart from the affairs or interests of other groups, especially the political affairs of other countries. <br /><br />## Step 2<br />The options provided are:<br />- Wanted the US to join the League of Nations<br />- Sought the reelection of Woodrow Wilson in 1920<br />- Thought the US should become involved in the Russian Civil War<br />- Favored returning to a policy that kept the US out of foreign affairs<br /><br />## Step 3<br />The first three options involve the US becoming involved in international affairs, which is contrary to the concept of isolationism. The last option, "favored returning to a policy that kept the US out of foreign affairs", aligns with the concept of isolationism.