Learn the Process
Short modules on how Congress actually works — the machinery behind every bill in the corpus, and the Unit 2 concepts the exam tests hardest.
All Modules
How a bill becomes law
A step-by-step plain-language guide to how an idea becomes a law, from introduction to the President's desk.
What committees do
Committees are small groups of lawmakers that examine bills in detail, hold hearings, and decide which bills move forward.
What cosponsors mean
Cosponsors are lawmakers who add their names in support of a bill; lots of cosponsors can show broad support.
How amendments work
Amendments change bills — they can add, remove, or alter parts of proposed laws during committee or on the floor.
What vetoes are
A veto is when the President rejects a bill passed by Congress; Congress can try to override a veto with a supermajority.
What the House and Senate do
The House and Senate are two separate chambers with different rules and roles; both must usually agree for a bill to become law.
How to contact representatives
Practical steps for contacting your lawmakers: find who represents you, write a clear message, be respectful, and follow up.
Build your civic knowledge
Complete modules and quizzes to deepen your understanding of democracy.