Checks and balances operate throughout the U.S. government, as each branch exercises certain powers that can be checked by the powers given to the other two branches. ... Within the legislative branch, each house of Congress serves as a check on possible abuses of power by the other.
I believe it's "original jurisdiction."
The most prominent center of the residenly
Working Together. Federal, state, and local governments work together to build roads. City governments cooperate on common interests. ... Federal government gives grants-in-aid and block grants to state and local governments.