Stem engines were first used to power :

Explanation:

In 1712, Thomas Newcomen's atmospheric engine became the first commercially successful engine using the principle of the piston and cylinder, which was the fundamental type of steam engine used until the early 20th century. The steam engine was used to pump water out of coal mines

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the effects of the french revolution had a major impact on france and europe, which influenced and transformed these countries. about.com explains that the effects of the french revolution resulted in an established democratic institution, elections, constitutions and a modern government. these effects changed laws and the hierarchy of power.

according to about.com, the long-term effects of the french revolution were profound on humanity and society. the effects of the french revolution secured political and economic gains for the lower class. the french revolution shaped politics, religion and beliefs. it developed liberalism and eliminated traditional laws. the effects included counter-reaction tactics, which defeated napoleon and produced totalitarianism ideals.