The unprovoked attack by the Japanese on Pearl Harbour
The U.S. was pissed of at Japan in WW2 because the Japanese attacked Pearl Harbour (a U.S base) un-provoked, which led to the government of America declaring war on Japan
America declaring war on Nazi Germany and joining the Second World War in Europe.
The immediate cause was Japan's attack on Pearl Harbor. This caused the US to declare war on Japan, which led to Germany and Italy declaring war on the US.
Post your question again, please, and tell us which war you are thinking of.
The American Revolution
The attack on Pearl harbour
the formation of the Ohio company
teddy rosevelt and hitler
The Peninsular Wars, when France led by Napoleon Bonaparte invaded Spain and Portugal.
Yes. It was a thing we both shouldn't have done cause that led us into the war deeper.
The thirteen British colonies in North America converged to form a new nation by declaring independence from Great Britain in 1776. This led to the creation of the United States of America.
The incident that led to congress declaring war on Spain was the Maine incident. The war cry was remember the Maine. The sinking of the U.S. battleship Maine in Havana harbor.