Answer:
Congressional Districts
The Electoral College
Executive Order
Executive Privilege
Freedom of Expression
(Absolute) Freedom of Speech and Press
"From each according to his ability..."
God
Immigration
Impeachment means removal from office
Innocent until proven guilty
It's a free country
Judicial Review
Jury of Peers
"Life, Liberty and the Pursuit of Happiness"
Marriage
Martial Law
No taxation without representation
Number of Justices in the Supreme Court
"Of the people, by the people, for the people"
Paper Money
Political Parties
Primary Elections
Qualifications for Judges
The right to privacy
The right to travel
The right to vote
The separation of church and state
The Separation of Powers Clause
Slavery
"We hold these truths to be self-evident"
Other topics
The Air Force