Name one power that is only for the states.

What does this answer mean?

Some powers belong to the states, and you only need to name one. USCIS accepts five: provide schooling and education, provide protection (police), provide safety (fire departments), give a driver's license, or approve zoning and land use.

These are everyday services that people deal with close to home. The Constitution gives the federal government a specific list of powers. The 10th Amendment says that powers not given to the federal government, and not forbidden to the states, belong to the states or to the people. Running schools, police and fire protection, driver's licenses, and local land use fall into that space.

States often share these jobs with their cities and counties, which is why your school district, local police, or city planning office may handle them. Each state also has its own government, with a governor, a legislature, and courts.

This division of power between the national government and the states is called federalism, and it's one reason laws can differ from state to state.

At the interview, an easy answer is "give a driver's license."