No, he did not achieve his peace without victory. It was to much of a burden on Germany and the League of Nations didn't include the United States of America.
Reserved powers are the powers that are not explicitly stated in a governing document but are implied powers because of other powers which are granted to the government. The creation of an education system or state identification systems are examples of reserved powers.
It’s Gibsons v Ogden: Defending Congress’ power under the commerce clause
