The US got involved after declared war onto Japan on December 7, 1941
Because Japan bombed Pearl Harbor in 1941.
The u.s. DID get involved.
1917
yes they were
No
yes
World War 2
There were 116,000 US casualties. 4,744,000 were involved.
The US contributed some 16 million personnel to the Second World War. I'd say that would indicate they did get involved.
The United States became involved in the World War II about March 1941.
They didnt want to start a war