The house un-american activities committee investigated the possibility of communist propaganda infiltrating:

a. the chicago meat packing industry

b. the wonka chocolate factory

c. the british secret service

d. the hollywood film industry

The film industry

Explanation:The House Committee on Un-American Activities went after writers and actors in Hollywood suspected of having ties to communist movements.

a reason that was key to coolidge's victory in the 1924 presidental election was that; democratic party supporters were split in the north and south.