Description U.S. Congress was formed concurrently with the United States through the implementation and ratification of the Constitution. This unified body, comprised of the Senate and House of Representatives, makes many of the United States' legislative decisions. Student will learn essential information about this government institution and how its history has affected the operations of the United States government today. A graphic organizer, primary sources, and full-color photographs provide students with additional information about important legislation voted upon by this group of government officials.