A boycott is when the people openly abandon something, like a boycott on overpriced video games. A repeal, however, is where a product is taken away from the people, not by the people's choice.
During then great depression, the national unemployment rate across united states peaked at 25% although the rate in African-American communities was much worse at close to 50%
So the answer is: African-American
The correct answers are 1, 3, 4, and 5. Yellowstone National Park, as its name implies, is managed by the federal government; air traffic controllers are federal employees as well. 1, 3, 4 and 5, on the other hand, are the responsability of state and city governments.
The Boston massacre increased the anger toward Great Britain because the British soldiers shot without orders and killed five people for just harassing them. Paul Revere produced an engraving of the massacre, which was widely circulated.