Answer:
The U.S. judiciary features a dual court system comprising a federal court system and the courts in each of the fifty states. On both the federal and state sides, the U.S. Supreme Court is at the top and is the final court of appeal.
Explanation:
The correct answer is letter A
Explanation: The discovery Christopher Columbus was important because it led to the colonization of the Americas. He thought he had arrived in India, that was his object. But when he arrived there he met natives who were very obedient and docile.
Steam boats would fall apart if it hit a rock or snag
Possibly the last one or the third one.