Answer:
Option B.
Explanation:
The Japanese attack on Pearl Harbor, is the right answer.
Delivered on 8th December 1941 by the then U.S. President, Franklin D. Roosevelt, the Infamy Speech was an address to a Joint Session of the Congress of the United States. It was delivered on the very next day of the attack of Japan on Pearl Harbor, Hawaii and the announcement of Japanese for the combat on the U.S. and Britain. Accordingly, the speech is popularly regarded as the "Pearl Harbor Speech".
Because slavery was central to their economy.
I think it is A. Because the factory owners would do anything to make more money. (they were greedy)