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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:
The Legislative Branch consists of the House of Representatives and the Senate, the Senate has 100 Senators, 2 for each states.
The decline of agricultural economies
