To suppress black republican voters and poor white republicans from being able to register to vote which pretty much eliminated the republican party in the south for decades and the democrats gained one party control through the southern states.
C i believe i might be wrong
I believe it is A, but I wouldn't go by just my answer.
The British thought colonists had to pay more taxes/cost for the French and Indian War. Parliament also wanted more control, so they did a series of acts (Coercive Act) that all ended into the Intolerable Act.
Hope that helped!