Question

which of the following is allowed to overrule the decision of a states supreme court?
the federal supreme court
the state appeals court
the state circuit court

Explanation:

In the US judicial system, the federal Supreme Court (US Supreme Court) has the authority to overrule a state's Supreme Court decision, especially when issues of federal law or constitutional interpretation are involved. State appeals and circuit courts are lower in the state judicial hierarchy than the state Supreme Court and cannot overrule it.

Answer:

A. the federal Supreme Court