Which statement about the United States' entry into World War II is correct?

A.
After Hitler attacked Poland, Americans demanded that Roosevelt declare war on Germany.

B.
Outraged by the attack on Pearl Harbor, Roosevelt asked Congress to declare war on Japan.

C.
Josef Stalin convinced Roosevelt to declare war on Germany to save the Soviet Union.

D.
Italian atrocities in Ethiopia infuriated Americans and spurred Congress to declare war on Italy.