Was the U.S.-Mexican War manifest destiny, a planned slave-power expansion, or executive misuse of war powers? Students examine 9 embedded primary-source images covering Polk's war message, Whig dissent, Mexican voices, the Wilmot Proviso, and the Treaty of Guadalupe Hidalgo, then layer in interactive quantitative data on territorial gains, sectional party realignment, and casualty figures.What's Included:- Background tab - War origins overview, Polk-Slidell mission, 8-term vocabulary, 1845-1848