Thanks to Eli Whitney, by 1824 the U.S. had adopted the concept of interchangeable parts. He was most known for his advocacy of cotton gin and interchangeable parts, and thus helped the American economy immensely.
Answer:
The Cultural Revolution was characterized by violence and chaos. Death toll estimates vary widely, with roughly 250,000 to 20 million people perishing during the Revolution, a number comparable to various disasters in China by death toll.
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The United States imports the most oil per day! They import over 10 billion barrels per day. The United States imports oil from Canada, Saudi Arabia, Mexico, Russia, and Venezuela!
Answer: Child labor was excruciatingly cruel and dangerous to the children of the Industrial Revolution.
Explanation: They worked in harmful conditions and wore baggy clothes. They worked long, unhealthy hours, whether they were sick or healthy. The got paid minimum wage, which was extremely low, and not enough to live off of.
They faced smallpox, low supplies, little to no food, and the bitter cold.<span />