In reality the [peace] policy rested on the belief that Americans had the right to dispossess Native peoples of their lands, take away freedoms, and send them to reservations, where missionaries would teach them how to farm, read and write, wear Euro-American clothing, and embrace Christianity. If Indians refused to move to reservations, they would be forced off their homelands by soldiers.
The answer to your question is B. However the troops were eventually withdrawn from Vietnam due to disagreements from the American people.
If you're talking about WWI then their military was restricted heavily, they had war reparations, and all of this was topped off with out of control debt and inflation. Essentially, everyone was mad and poor.
