Lesson 1 Congressional Membership Guided Reading Activity Answer Key I. Organization of Congress A. Senate, House of Representatives B. two, two II.. Mar 15, 2018 Congressional Research Service. 1. Introduction. Early in the history of the ... over the proper sources of the Constitution's meaning remains unresolved, several key methods of constitutional interpretation have guided the Justices in their ... Fulfilling this oath requires Members of Congress to read and.