5 Facts about the steam engines industrial revolution

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The coal-fired steam engine soon became the key technology of the Industrial Revolution. Water power was widely used as a source of energy in preindustrial Europe. By the late 1700s, however, steam engines had been perfected. Steam power soon replaced water power.

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the answer wold be b) travel among nations should be regulated by an international organization

answer; /// i do believe that the correct answer is (a); a farming tribe that settled primarily along the mississippi and arkansas rivers;