What Prompted as Many as 200,000 American Citizens to Leave

What prompted as many as 200,000 American citizens to leave the country during the Great Depression?

A) They sought exile in the Soviet Union, where they hoped economic planning would bring about prosperity more quickly.
B) They returned to their home countries in Europe, frustrated with the lack of economic opportunity in the United States.
C) Some children had little choice as they went with their Mexican-born parents to Mexico.
D) These Americans often traveled to Latin America, trying to promote the policies of the New Deal.
E) They deeply resented the election of Franklin D. Roosevelt.