The answer is A pertaining to The League of Nations
The foundation of Jim Crow laws was that the "African Americans are culturally and intellectually inferior to white people."
The main cause was the Stock Market Crash of 1929.
The Stamp Act of 1765 required the colonists to place a stamp on all paper goods (legal documents, newspapers, playing cards, etc.). However, the catch to the stamp was that you had to buy it, which the profits went directly to the king of England. If you didn't pay for the stamp, then you were also taxed. It was a lose-lose situation for the colonists.
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