In 1938, Congress established the House Un-American Activities Committee, which: a. focused on racism and white supremacy in the South. b. focused on fascism and ultranationalists. c. was part of the expanded notion of civil liberties under the New Deal. d. focused only on communists. e. included liberals and unionists in its definition of "un-American."

e. included liberals and unionists in its definition of "un-American."

Explanation: In 1938, Congress established the House Un-American Activities Committee to investigate people with communist ties or agenda. Its goal was to prevent the spread of communism in the United States but it soon developed other political goals and was used against liberal as well as unionists. It was believed that communists hid in plain sight in Hollywood and targeted people who spoke against the committee in Hollywood. The committee also argued that communists disguised themselves as liberals and unionists.

. political or economical policy that isolates a country from participating in international relationships. it has been suggested that the united states participates in isolationism because of its lack of involvement in particular wars or alliances.

the passage of a strict fugitive slave law