Which native american tribe dominated the northern plains?

although world war i began in 1914, the united states did not join the war until 1917. the additional firepower, resources, and soldiers of the u.s. to tip the balance of the war in favor of the allies. remaining neutral. when war broke out in 1914, the united states had a policy of neutrality.

during the 1920s the goal of the united states was not letting business collide or go down or even compete this was due to wwl

to pledge our loyalty to our country and to also honor the people who fought and is fighting for our freedom. hope this : )