Why did the way of life of many indigenous people in the plains of north america end in the late 1870's?

What do father miguel hidalgo and simon bolivar have in common?

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.

What is the southernmost fort in what is today western ohio? what city is there today