Why was the reservation system initially implemented?

Which of the following are details about the compromise of 1877? election results in a couple of states were in dispute and too close to call. samuel tilden would be given the win in exchange for the removal of federal troops. the presidential election was close between rutherford hayes and ulysses grant. it was agreed troops would leave the south in exchange for a hayes victory.

Which of these rose during the great depression? a migration b consumerism c membership in the republican party d employment

What was the “u-2 incident” and how did it affect u.s./soviet relations in 1960?