What was the effect of the change from hand power to machine power industry

In 1760 to 1800 a lot more people got jobs but the conditions were terrible. This was the case but a lot of people wanted to start working because most of them worked on farms and they didn't make money but when they worked at a factory they were getting paid.

Explanation:

president thomas jefferson commissioned the expedition shortly after the louisiana purchase in 1803 to explore and to map the newly acquired territory, to find a practical route across the western half of the continent, and to establish an american presence in this territory before britain and other european powers

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