| Square miles | Acquisitions | President | % Correct |
|---|---|---|---|
| 827,987 | Louisiana Purchase | Thomas Jefferson | 93%
|
| 1,204,896 | Texas annexation, Mexican Cession, Oregon Territory | James K. Polk | 61%
|
| 72,101 | Florida | James Monroe | 56%
|
| 126,043 | Philippines, Hawaii, Puerto Rico, Guam, American Samoa | William McKinley | 48%
|
| 591,002 | Alaska Purchase, Midway Islands | Andrew Johnson | 47%
|