They were (and still are) called the Allies.
There are about 10000 British troops fighting the Taliban in Helmand Province of Afghanistan.
The Allies.
All the countries that were against Germany were already in the fighting. Many smaller countries had contingent of troops landing on D-Day.
The name of the troops who served in Africa for Germany were call the Afrika Corp.
Union troops (the ones fighting against slavery)
They were sent in a misguided attempt to prop up the Czarist regime, which was allied with the US against Germany in WW I and was fighting a civil war with the Bolsheviks.
AnswerThe U.S. joined the allied troops, against Germany and their forces.
While Germany was fighting in France and Belgium Russia mobilised quickly and sent her troops towards Germany.
Vietnam shifted the burden of the ground fighting from American troops to South Vietnamese troops during the later stages of the war. This was called "Vietnamization".
Wisconsin was a Union state and sent troops to fight against the Confederates.
Pickets troops charged against Gettysburg and were stopped by fierce fighting and retreated
Two important tasks of the Germany troops are to defend Germany against external threats and to participate in international peacekeeping missions as part of NATO or the United Nations.