Why was the use of coal revolution during the industrial revolution?

Coal was needed in vast quantities for the Industrial Revolution. ... However, as the country started to industrialise itself, more and more coal was needed to fuel steam engines and furnaces. The development of factories by Arkwright and the improvement of the steam engine by Watt further increased demand for coal.

Explanation:

becasue in the south they disallowed slavery but in the north slavery was illegial this boilled into because mexico wanted slavery

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question 10: the answer is c, to their constituents address a problem.

question 11: i think it would be domestic bills, which deal with american issues only and public bills, which affect the whole nation.