Final answer:
The organization of Congress is influenced by the committee system, parliamentary rules, and political parties.
Step-by-step explanation:
The organization of Congress is influenced by the committee system, parliamentary rules of the House and Senate, and political parties. Committees play a crucial role in the legislative process, as they review and amend bills before they reach the floor for debate and voting. Parliamentary rules establish the procedures and protocols for conducting debates and making decisions in Congress. Political parties play a significant role in shaping the legislative agenda and providing structure and leadership within Congress.