Who U.S policy of isolationism during in the S's?

The United States pursued a policy of isolationism during the 1920s and 1930s in response to the aftermath of World War I, the Great Depression, and disillusionment with international affairs. This policy aimed to avoid entanglement in European conflicts and focus on domestic issues, such as economic recovery and social reform. However, isolationism began to shift as tensions rose in Europe prior to World War II.