Why do states corporate with each other and the federal government

answer: federalism describes the system of shared governance between national and state governments. the states and the federal government have both exclusive and concurrent powers, which to explain the negotiation over the balance of power between them.

explanation:

well this is going to be a long answer lol ok so the visigoths were a branch of the goths who frequently raided rome, uh the hunas attacked the guptas a lot and weakened them, uuhm of course the romans used math and science in there every day lives i mean they had a whole empire to run, and rome was split into east and west by a general named diocletian. hope this you! : )

not sure might be he acquired the entire oregon territory from great britain