Final answer:
Roosevelt's reelection in 1936 was due to support from big business and labor unions, as well as his advocacy for those at the bottom of the economic ladder.
Step-by-step explanation:
Roosevelt's reelection in 1936 was due in large part to the fact that he was supported by big business and labor unions. While it is true that he stood up for those at the bottom of the economic ladder, he also gained support from various interest groups. Roosevelt's popularity with the American public was demonstrated by his landslide victory in the election.