How does a federal state differ from a confederate state?

How did the results of wwi benefit the u.s.?

1. what was the result of growing nationalism and pan-africanism on european-african relations? africans were encouraged to seek independence from europe. european colonialism grew and strengthened in africa. the change of power from european to african rule went smoothly. africans believed they could live peacefully with europeans.

Who was in charge of american troops during world war i?