The political movement that emphasized conservation at the turn of the century was the progressive movement. The movement refer to an ide where the Government would focus more attention at the development of science and technology
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Eli Whitney was born on December 8, 1765, in West borough, Massachusetts. Growing up, Whitney, whose father was a farmer, proved to be a talented mechanic and inventor. Among the objects he designed and built as a youth were a nail forge and a violin. In 1792, after graduating from Yale College (now Yale University), Whitney headed to the South. He originally planned to work as a private tutor but instead accepted an invitation to stay with Catherine Greene (1755–1814), the widow of an American Revolutionary War (1775-83) general, on her plantation, known as Mulberry Grove, near Savannah, Georgia. While there, Whitney learned about cotton production–in particular, the difficulty cotton farmers faced making a living.
The causes of the Civil War and its cost to a young nation. More from Wes about the causes of the Civil War. ... A common explanation is that the Civil War was fought over the moral issue of slavery. In fact, it was the economics of slavery and political control of that system that was central to the conflict.
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https://www.cliffsnotes.com/study-guides/geometry/fundamental-ideas/postulates-and-theorems