The United States involved herself in World War II when Japan attacked Pearl Harbor in December 1942 (correct me if I'm wrong on the date) Germany and her allies, allied with Japan declared war on the United States and therefore Congress declared war on them.
The US got involved in the war on: April 6, 1917.
They became involved when the Japanese bombed Pearl Harbor
world powers
It had evolved into a World Power.
The US was attacked.
yes
how did we get involved
The US and the Allies won the war and the US gained control of the Philippines, causing it to become a world power.
No, it was a European war we chose to become involved in.
korean war
Eisenhower
The Korean War ,