Germany didn't really attack US, US entered war because of Japan, and when the allies of US were attacked then US joined. The US was fighting 2 wars, 1. Japan 2. Germany
To cripple the United States so a small country like Japan could actually have a chance to conquer the US.
This was a direct attack on the US from Japan. By attacking the United States, the Axis were sending a message that they considered the US an enemy. This pulled the United States to fight back.
The US fleet was at Pearl harbor, contrary to the opinion that Japan attacked the US unprovoked. The US and Britain were fighting Japan in an undeclared war in China. Until recently declared the fighters in China were Civilian volunteers.
planes
From what I have learned from people who were there..The United states and Japan were in negotiations..During the time of the Attack on Pearl Harbor.they had even given the US some peace ribbons..They were talking peace with us while the attack was taking place...
The attack was treacherous for many reasons. The United States was engaged with Japan in negotiations over the war effort. The attack was unprovoked and was unexpected.
The attack of the United States by the Empire of Japan on December 7th, 1941 brough the US into WWII which benefitted Britain.
The effect of the attack on Pearl Parbor was that it led the United States from it's neutrality to the allied powers. It allowed us to enter the war and take out japan.
to attack japan.
in the year 1945
Japan's attack on Pearl Harbor convinced the United States to come out of their isolation policy and join WW2.