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.
Answer:
The ettlement in the western United States
Native Americans sent to reservations
The foundation of the Populist Party
Explanation:
The construction of the Transcontinental Railroad, as well as the discovery of gold, silver, and copper in many western states, led to the rapid settlement of the western United States. By 1890, 430 million acres in the Far West were settled, much more than the previous 250 years.
After 30 years of war, 250,000 Native Americans who lived on the Great Plains were enclosed in reservations to allow the westward settlement.
The Populist Party was founded with the support of western farmers affected by the depression that arose in rural America who wanted a political voice against the railroad tycoons.
It's C, He forged the first empire. I'm 100% sure
A. it is the oldest surviving culture on earth.
