Manual labor
They were used as code breakers to aid the Americans during the war.
The media printed news on the sinking of the "Lusitania" and made most Americans hate the Germans for doing that. It was mostly used for good in World War 1.
Japanese-Americans .
the Americans the germains and the british all used aicrafts like airplanes and zepplins.
The term rotary piston engine can have several meanings:Rotary engine, the piston engine that rotates in operation, as used on World War I fighter aircraftPistonless rotary engine, the engines which use rotors or rotary pistons instead of conventional reciprocating pistons
Yes. They joined the World War One in the year of 1917.
Americans
an allies is a friend the term was used a lot in world war 2 between the british and the Americans
Pearl Harbour in Hawaii on 7 December 1941
There has been a World War I and a World War II. There hasn't been a World War III.
The World War 1 did contribute to the immigration of the African Americans to the US because they were used as soldiers and back up.