Answer:The coal-fired steam engine was in many ways the key technology of the Industrial Revolution. Steam power was first used to pump water out of coal mines by Thomas Newcomen, who invented the first steam engine that truly worked in 1712. ... Watt had taken Newcomen's design and improved upon it.
Explanation:
Answer:
Question 1:
B.The Civil War
Question 2:
I'm not quite sure and don't want to give you an incorrect answer,sorry
Question 3:
A. A government agency aimed at helping former slaves
B!! Currently in us history and we learning about a lot right now . Definitely not the mayflower compact
The capital was built as a city in the south because Hamilton made a compromise that if they repaid state debts the capital would be built there