Which of these statements best describes the american federal system?
states have most of the power.
the federal government has most of the power.
state and federal governments share power, but the federal government is supreme.
stafe and federal governments share power, but state governments are supreme.

State and federal governments share power, but the federal government is supreme.

Explanation:

State and federal governments share power, but the federal government is supreme best describes the American federal system.

i would think it's industries and hydroelectric power

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! : )