George Washington is the president
The main argument in favor or slavery as an institution during this time in the US was that black people could not take care of themselves and that they would fall into chaos if allowed to go free. Another argument was that many were already enslaved in Africa and were living better lives in the US.
The answer is A) The Mexican Army ran out of ammunition.
Silk, common currency, fireworks.
Those are the main three I know of.
