Answer:
The answer is A. Good luck!!
Movies from the 1920s where silent films and 1930s films were called "talkies" because they had audio and more Dialogue. Also 1920s films were black and white.
The answer is a. Operation Overlord. This was the allied operation to invade
Western Europe and liberate it from the Germans. A combination of aerial and amphibious
assaults where the allies would storm the beach heads and be dropped within enemy
lines was the plan of General Dwight Eisenhower. This enabled the allies to liberate countries
in the Western Front and make a push to Germany.