Copyright Â© by The McGraw-Hill Companies, Inc. McCulloch v. Maryland 1. McCulloch v. Maryland. John Marshall. OVERVIEW. McCulloch v. Maryland established the basis for the expansive authority of the U.S. Congress. The Supreme Court held that the necessary and proper clause of the U.S.
Medical Definition of ambivert. : a person having characteristics of both extrovert and introvert.
Opposite of extrovert. A person who is energized by spending time alone. Often found in their homes, libraries, quiet parks that not many people know about, or other secluded places, introverts like to think and be alone.