Why did Roosevelt welcome the news that Italy and Germany decided to declare war on the United States after the attack on Pearl Harbor?

A. Roosevelt knew Germany and Italy would be easier to defeat.
B. Roosevelt did not actually want to fight the Japanese.
C. Roosevelt needed a reason to request help from the Soviet Union
D. Roosevelt wanted to keep the focus on the Atlantic.
E. Roosevelt was glad to be able to finally help France and Poland.

D. Roosevelt wanted to keep the focus on the Atlantic.