Alright my friend so let's look at it this way the south was all for slavery and they didn't want it banned and the Wilmot proviso bill was to ban slavery and that is why the south had opposed it.
Answer:
the answer is C. Conflict between a state government and the federal government
hope it helps!
The quotation from the preamble to the declaration of independence supports the idea that the United States is based on a social contract is this: "Governments are instituted among men, deriving their just powers from the consent of the governed." The aforementioned statements just further proves that there is a contract and understanding between the people and the those in power that their power is simply given by the public.