A political party is made up of individuals who organize to win elections, operate government, and influence public policy. The Democratic and Republican parties are currently the primary parties in Congress.
Political Parties in the Senate
Learn more about political party divisions in the U.S. Senate.
Senate Policy Committees
In 1946, the Joint Committee on the Organization of Congress proposed that each house of Congress create party policy committees to develop a “unity of command” in Congress.
Bibliography on Resources on Elections and Political Parties (pdf)