no
Congress retains the authority to do this. They also have the authority to abolish any federal court except the Supreme Court.
Yes, under very specific situations. One example is in the event of a Bankruptcy.
When the federal government passes authority to administer a program down to state or local governments, it is called
The specific power granted exclusively to the federal government and not to state governments is the authority to declare war.
The authority of the federal government over the state governments.
federal
State Governments
The state government has the authority to create schools.
Privatization
Both the federal and state governments have some authority but neither have exclusive power
The United States supreme court.
The U.S. Constitution