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.
Definition of ambivalent. : having or showing simultaneous and contradictory attitudes or feelings toward something or someone : characterized by ambivalence â¦ people whose relationship to their job is ambivalent, conflicted. â Terrence Rafferty Americans are deeply ambivalent about the country's foreign role.