One of the major <span>inventions that improved agricultural output between 1750 and 1870 are:</span><span>
- Cotton gin : </span><span>Eli Whitney invents the cotton gin in 1793, which contributes to the success of cotton as a Southern cash crop.
</span>- iron plow : Jethro Wood invented the iron plow with interchangeable parts in 1819
<span>- Factory-made agricultural machinery (1840s)- this </span> encouraged commercial farming
<span>- chemical fertilizers were sold commercially (1849)
</span>- <span>Steam tractors are tried out</span>
<span> C) image it created of Hoover’s apparent disregard for human suffering </span>
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A combination of famine, disease, and a harsh winter killed many in the colony. brought food to help the colonists and taught them how to grow corn. A Virginia colonist killed a Powhatan leader.
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The U.S. sided with democratically based governments, especially after Nazi Germany attacked France and Britain. Pearl Harbor was an attack on the U.S.
