OLIGARCHY is ruled by the elite members of society
Answer:
D. Second Estate
Explanation:
The "First Estate" was the Church (clergy = those who prayed).
The "Second Estate" was the Nobility (those who fought = knights).
For many Americans, the American Revolution chained their views of the enslavement of African Americans in that they started to view slavery as a hypocritical evil since they had just fought for their own "freedom" from Great Britain.

the spinning wheel to produce textiles, the water wheel used to power machinery and the steam engine were invented. These inventions aided in speeding up the production of manufactured items.