| A | B |
| Abraham Lincoln | Congressional author of the "spot resolutions" criticizing the Mexican War |
| Winfield Scott | "Old Fuss and Feathers, " whose conquest of Mexico City brought U.S. victory in the Mexican"Old Fuss and Feathers, " whose conquest of Mexico City brought U.S. victory in the Mexican |
| Henry Clay | Leader of Senate Whigs and unsuccessful presidential candidate against Polk in 1844 |
| Nicholas Trist | Long-winded American diplomat who negotiated the Treaty of Guadalupe Hidalgo |
| Daniel Webster | Whig leader and secretary who negotiated an end to Maine boundary dispute in 1842 |
| Rio Grande | Claimed by United States as Southern boundary of Texas |
| Election of 1844 | Won by the party stressing expansionism and lost by the party divided over slavery and Texas |
| Aroostook War | Clash between Canadians and Americans over disputed timber country |
| Santa Anna | Mexican military leader who failed to stop humiliating American invasion of his country |
| Texas | Independent nation that was the object of British, Mexican, and French scheming in the early 1840's |
| Zachary Taylor | American military hero who invaded northern Mexico from Texas in 1846-1847 |
| David Wilmot | Congressional author of resolution forbidding slavery in territory acquired form Mexico |
| James K. Polk | Dark-horse presidential winner of 1844 who effectively carried out ambitious expansionist plans |
| Oregon | Northwestern territory in dispute between Britain and United States, subject of "Manifest Destiny" rhetoric in 1844 |
| John Tyler | Leader who was elected on the Whig ticket but spent most of his presidency in bitter feuds with his fellow Whigs |