Oligarchy would be the answer because, The power is held by a small group of people; Usually this is an elite group.
It was the Fifteenth Amendment. It gave all men in America the right to
vote. South though opposed this and made
many attempts to prevent Blacks from voting.
It Federal intervention as the National Guard had to escort African
Americans to vote in the polls.
The French and Indian war first(1754-1763), the American Revolution next, the Reign of Terror after that(1793-1794), and the Napoleonic Wars last(1803-1815).
Answer:
O economic mode of production