Uhhhhhh i think the answer is 'c' :)
Counties support the state government by using a Bicameral system creating to side branches such as the federal of state have, but this branch passes on laws that can be signed by other States giving them that thier state/counties are eligable to do what ever act the government has givien them, such as Formal President Barack Obama gave and signed the ObamaCare Act, and many States/Counties signed for as well.
Answer:
The enumeration in the Constitution, of certain rights, shall not be construed to deny or disparage others retained by the people. The powers not delegated to the United States by the Constitution, nor prohibited by it to the States, are reserved to the States respectively, or to the people.
Musket and cannons I pretty sure