I would believe the United States sponsored the contras in Nicaragua because they hoped they would Sandinistas.
If I'm wrong, please feel free to yell at me.
The Stamp Act, Tea Act and Intolerable Acts were put into place without the consent of the colonists. This proved that Britain was not treating them as citizens, but merely as servants to their mother country.
The Americans realized that Britain was not going to stop enacting laws in the colonies this way, and they knew that secession was inevitable.
I believe the answer is B on the coast I hope this helps and is correct