Question

What was the root cause of factionalism among American Indian nations after the Civil War?

Answer 1

Answer:

lingering resentment of the Plains Indian tribes who were allied with the Union during the Civil War

Explanation:

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-midnight-

Answer 2

After the Civil War, there was often great cruelty and massacres on both sides and the industrial growth after the Civil War had an increase in the steel industry and of the growth of railroads.