http://9cbcca1e6f9e03544a02-539d006b7d1ab88a7f6e8d03decc893c.r44.cf2.rackcdn.com/774C226B-B40E-442D-9E05-5C6824C3E1D1.jpg
Can you use the government to enforce a social contract with implied consent. 

Imagine a car dealership moving into the neighborhood and because he does he requires everyone who lives within a mile of the dealership to buy a $20000 car from him. 

This is a social contract. 

Would anyone believe that this is a valid social contract? I would think this social contract is evil. 

But you want me to believe that by staying in a county, state, country that I am giving you my consent to be taxed. So in this case we have the social contract being both good and evil at the same time. Since you cannot have a social contract that is both good and evil at the same time, you cannot use the argument that a social contract is valid.