Question

which court is the ultimate authority on disputes between state and federal governments?
the u.s. supreme court
the federal appeals courts
the federal district courts

Explanation:

In the U.S. judicial system, the U.S. Supreme Court has the highest authority and is the final court of appeal. It resolves disputes, including those between state and federal governments, as it has original jurisdiction in such cases and is the ultimate arbiter of constitutional and legal matters. Federal appeals courts and district courts have more limited or lower - level roles in the judicial hierarchy for such disputes.

Answer:

the U.S. Supreme Court