On 11 December 1941, four days after the Japanese attack on Pearl Harbor and the U.S. declaration of war on the Japanese Empire, Nazi Germany declared war on the U.S. in reaction to what the U.S. government believed to be a series of provocations while the U.S. was still formally neutral during World War II. Adolf made the decision to declare warHitler, almost offhand, with absolutely no briefing. The US declared war on Germany later that day.
Explanation:
According to this scheme, the United States and UK will use the preponderance of their wealth to subjugate Nazi Germany first in Europe. At the same time they will need less money to battle a holding war against Japan in the Pacific.