The answer is, "D", "Yom Kippur".
Slavery helped contribute to the south's cotton boom during the 1800's. this cotton boom helped raise the economy up. But during Civil War slavery was banned from the U.S. leaving the south after their defeat to lose the slaves and dropping the south into an economic depression.
Answer:
A
Explanation:
Because immigrants were unskilled and didn’t need skill for jobs in the factories
