How did who become involved with the war effort?
They encouraged people to enlist
World War or Total War .
Vietnam.
World War or Total War .
World War or Total War .
America did get involved
The US had slowly become involved with WWII through Roosevelt's Lend Lease program, providing supplies to the British as they fought the Germans, but the defining event that fully committed the US to the war effort was the Japanese bombing of Pearl Harbor.
The Viet Minh were involved in the effort to expel the Japanese occupiers and the return of the Frech Colonial authority.
Antarctica was not involved in World War I, because there was no nation-state on the continent to become involved.
1940
In 1914.
1964-1975