In Augus, 1964, Congress passed the tonkin resolution, the response to a reported naval battle between the USS Maddox and a North Vietnamese cruiser in the gulf of tonkin, which gave the president (Lyndon B. Johnson) authorization to use conventional forces in southeast Asia.
Vietnam.
Warmongers, dawg
1964-1975
No, it was a European war we chose to become involved in.
The US got involved in the war on: April 6, 1917.
The Korean War ,
The Korean War/conflict .
The sinking of the Lusitania caused the US to get involved.
Un-restricted submarine warfare
The Cold War, then Vietnam.
Pearl Harbor attack
As Allies of Uk and France the US went to war in Euope when Germany declared war on US on Dec 10, 1941