| A | B |
| appropriation | approval of gov't spending |
| bicameral | two-house legislative body |
| bill | a proposed law |
| constituent | person whom a member of Congress represents |
| entitlement | required gov't spending from one year to the nex |
| filibuster | Senate method of defeating a bill by continuing debate |
| gerrymander | to draw a district's boundaries to gain an election advantage |
| incumbent | elected official already in office |
| mandate | formal order given by a higher authority |
| quorum | number of members who must be present for Congress to vote |
| reapportionment | reassigning representation based on population |
| rider | provision added to a bill on a subject other that the one covered in the bill |
| seniority system | gives leadership positions to the longest serving member of the majority party |
| whip | assistant to the party leader |
| veto | rejection of a bill |
| President Pro Tempore (Senate) | Ted Stevens |
| Senate Majority Leader | Bill Frist |
| Senate Minority Leader | Harry Reid |
| Speaker of the House | Dennis Hastert |
| House Majority Leader | Roy Blunt |
| House Minority Leader | Nancy Pelosi |
| Senate Majority Whip | Mitch McConnell |
| Senate Minority Whip | Dick Durbin |
| House Majority Whip | Roy Blunt (sort of) |
| House Minority Whip | Steny Hoyer |