The Revolutionary War with Britain after British colonists were already in the US, sent by the British. Basically, they were being taxed on stuff like Molasses and Tea. They didn't want taxation from a country in which they had no representation in government. This was the reason for the Boston Tea Party. Then of course they formed their own independent country once they were free from Britain.
One of their biggest arguments was whether or not the USA should join the League of Nations
The attack on pearl harbor was intended as a prevention order to keep the U.S pacific fleet from interfering with military actions the empire of japan was planning on south east Asia against overseas territory of the united kingdom, the Netherlands, and the United states. <span />
