Fredrick Douglas was the African American who said the Mexican War was "disgraceful" because he thought if America would annex Mexico then slavery would be carried over into the new territory.
One of the primary concerns of the colonists during the French and Indian War was that Great Britain would end up taxing them in order to pay for it, which turned out to be true and helped lead to the Revolution.
Uh no one. The Indus civilization was dated 1500 BCE - 5000 BCE
