What Do the Proclamation Line of 1763, the Stamp Act

What do the Proclamation Line of 1763, the Stamp Act of 1765, and the Townshend Acts of 1767 have in common?

A) They were all very high, unreasonable taxes imposed by England on unsuspecting colonists.
B) They all had to do with the continued process of slavery, either limiting where it could occur, or taxing various products made by escaped slaves.
C) They were efforts by the British to establish more control over the colonies, and bring in money, after the French and Indian War.
D) They were taxes imposed reluctantly by the American government after independence to raise needed money.