Why do roller coaster designers include a second hill on the ride? what would happen to the ride if there were only one hill? (this is a short response.)

Amain difference between state and federal courts is state courts try disputes between states, while federal courts try cases between citizens of a state. state courts try cases between citizens of a state, while federal courts try disputes between states. state courts consider the facts and law in making a decision, while federal courts consider the law, facts, and precedents. state courts consider the facts and precedents in a decision, while federal courts consider the law, facts, and precedents.