America Achieves Manifest Destiny The Gadsden Purchase, the Wilmot Proviso, and the California Gold Rush What formally ended the Mexican-American War? Treaty of Guadalupe Hidalgo (Mexican Cession) US adds 1.2 million square miles Mexico was humiliated by the treaty, bitter toward US for many years US added more territory with the Gadsden Purchase (1853) Bought from Mexico, consisted of the southern parts of Arizona & New Mexico Needed to run transcontinental RR How is this further contributing to Manifest Destiny? What issue continued to divide the nation? SLAVERY, and its expansion Whig Congressman David Wilmot proposes the Wilmot Proviso: Proposed law would ban slavery in all lands won from Mexico Law DID NOT pass Lands won from Mexico increased North/South tensions Proposed in Congress for 15 more years Why do you think the Wilmot Proviso didnt pass? The Mexican Cession California Gold Rush, ers The California Gold Rush What was it? Mass migration to California after the discovery of gold in 1848 Who was involved? 49ers = Gold Rush miners Where did they come from? Across the US & other Pacific Rim nations (South America, China) Digging for Gold in California The California Gold Rush - Effects Conditions of the camps Crowded, poor sanitation, violence Population boom of San Francisco Groups facing discrimination Indians, Chinese, & Mexicans; taxed, terrorized Two Views of San Francisco, Early 1850s By 1860, almost 300,000 people had traveled the Oregon & California Trails to the Pacific coast. The California Gold Rush - Effects ____________ applies for statehood California Increases the debate over Slavery 15 free states, 15 slave Would later lead to the Civil War