Answer: the invention of cotton gin
Explanation:The cotton gin refers to a a machine that sets aside cotton fibers from their seeds. Therefore, the invention of the cotton gin transformed the cotton industry in the United States and demanded cheap labor force, which led to the rise of slavery in the South and to the American Civil War later.
<span>Background of US conflict with Soviet. During World War II, Roosevelt followed a policy of "the Grand Alliance" with the determination to get along with the Soviet Union. He was determined to follow this policy after the war and believed the United Nations, one of his pet projects, would maintain the postwar peace.</span>
B:
Agriculture, water projects, shipyards all offered steady work to people driven out of the plains states.
Answer:
They paid great deals of money- The process of all of that was called "mummification."
