American Government Terms: A-B-C-D-E-F-G-H-I-J-K-L-M-N-O-P-Q-R-S-T-U-V-W-X-Y-Z
- Obligation
- Off-budget Entities
- Off the record
- Office of Management and Budget
- On backround
- On deep backround
- On the record
- On backround
- Open convention
- Open Rule
- Opinion Clause
- Original Bill
- Original jurisdiction
- Outlays
- Override of a Veto
- Oversight