Capital-gains Tax
Casework
Categorical Grant
Caucus
Centralized Federalism
Chairman
Chaplain
Checks and Balances
Christmas Tree (Government)
Class
Clean Bill
Clear and Present Danger Test
Cloakroom
Closed Convention
Closed Primary
Closed Rule
Cloture
Coattail effect
Cofederal System
Commerce Clause
Committee
Committee Amendment
Committee Calendar
Committee Jurisdiction
Committee Membership
Committee on Committees
Committee Print
Committee Substitute
Committee of the Whole
Committee Report
Compact Clause
Companion Bill or Measure
Comparable Worth
Compromise Bill
Compulsory Process Clause
Concurrent Powers
Concurring Opinion
Concurrent Resolution
Conditional Adjournment
Conditions of Aid
Conferees
Conference Committee
Conference, party
Conference Report
Confirmation
Confrontation Clause
Congressional Budget Office
Congressional Research Service
Congressional Record
Congressional Review
Congressional-executive Agreement
Consideration
Continuing Resolution/Continuing Appropriations
Constitution
Constitutional Convention
Constitutional Courts
Controlled Time
Cooperative Federalism
Copyright Clause
Cost-benefit Analysis
Council of Economic Advisers
Creative Federalism
Cross-ownership
Cruel and Unusual Punishments Clause