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.
it didnt apply to border staates but the answer to your test question is A to free all free all slaves.
The answer would be C
The spoils system is when a political party, after winning an election, gives jobs to its supporters.
https://www.britannica.com/topic/spoils-system
Larger in size. If you mean the damage by “size”, then Hiroshima was a lot worse than Nagasaki which means larger.
