During the war had allies and enemy's. Our allies were France, Great Britain, Russia, Italy, and Japan. The United States Entered the war in 1917. Our enemy's the Central Powers were Germany, Austria-Hungary, and Turkey.
Even though we had allies we needed weapons. During the war we had weapons. Some weapons were tanks and planes for heavy fire. Some other weapons were machine guns and poison gas close combat and barbed wire was used for base defense.
For six years people have refused to fight and ran. About four million soldiers surrendered to Germany. America sent thousands of soldiers of combat soldiers to fight along side with Russia against Comunist.