Question

a trial court in the federal system is
the us supreme court.
the us court of appeals.
the us court of common pleas.
the us court of claims.

Explanation:

The US Supreme Court is the highest - level court for appeals. The US Court of Appeals hears appeals. The US Court of Common Pleas is not a federal - level court. The US Court of Claims is a federal trial court that hears claims against the United States.

Answer:

the US Court of Claims.