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.
ambivalent adjective. âº having two âopposing âfeelings at the same âtime, or being âuncertain about how you âfeel: My âwife âloves the âopera, but I have ambivalent âfeelings about it.