Mexican-American War

The belief that the U.S. was destined to secure territory from "sea to sea," from the Atlantic to the Pacific Ocean. The phrase was coined by New York journalist John L. O'Sullivan.

to take or attach territory, especially territory conquered during a war.

A group of rebellions from Sonoma that declared that California was an independent republic in 1846. To represent this new nation, the rebels created a flag with a single star and a grizzly bear

War with Mexico which began in 1846 when the U.S. annexed Texas and Mexico challenged the Border. Battles were fought in Texas, and Mexico was invaded from the Atlantic Ocean by General Winfield Scott. Scott attacked Mexico City and Chapultepec. The war ended with the treaty of Guadalupe Hidalgo in 1848.

political opportunist and general who served as president of Mexico eleven different times and commanded the Mexican army during the Texas Revolution in the 1830s and the war with the United States in the 1840s.

a treaty that the US forced Mexico to sign in 1848, giving Mexico's northern lands to the US (NM,CO,AZ,UT,CA,NV)

$10 million purchase of land from Mexico - omitted from the Treaty of Guadalupe Hidalgo. This strip - south of the Gila River, includes the route of the Southern Pacific railroad

1846, PA Congressman David Wilmot proposed that a bill be amended to forbid slavery in any of the new territories taken from Mexico; passed House twice but failed to pass Senate