<span>A
particular system of thought or doctrine is called a philosophy. Oligarchy is
related to business or country held by a small group of people. Diaspora
pertains to people leaving outside their hometowns or countries. Messiah is an
omnipotent Christian god.</span>
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: Lincoln's only mission was to keep the Union together. The Manifest Destiny is a success expansion, The united State achieve territory expansion.
