California Gold Rush and the Mexican-American War

Effects of the Mexican-American War

  • Manifest Destiny: The United States believed in its right to expand westward.
  • President James K. Polk: Elected on an expansionist platform, sought to incorporate Oregon and Texas into the U.S.
  • Initiation of the War: Polk sent troops to the Rio Grande, disputed territory, leading to conflict with Mexico, which considered it an invasion.
  • War Duration: 1846-1848, including battles like Buena Vista and Cerro Gordo.
  • Treaty of Guadalupe Hidalgo:
    • Mexico recognized Texas as U.S. territory.
    • Mexico ceded California, New Mexico, Nevada, Utah, and Arizona.
    • Territories equaled over 3,100,000 square kilometers, almost half of Mexico's land.
    • U.S. achieved its largest land conquest.
  • Shift in Power: Southern states lost influence relative to the industrialized, growing North.
  • Southern Delegates' Attempts:
    • Proposed dividing Texas into four states to control the U.S. Senate.
    • Argued that new states south of the 36th parallel should allow slavery.
  • Slavery Debate: Mexico opposed slavery in the territories during treaty negotiations.
  • Civil War Interruption: The eruption of the civil war in 1861 interrupted the process of turning these new territories into slaveholding states.
  • Changed Perceptions of Mexicans: Initial romantic views shifted to derision due to the conquest.
  • Racial Attitudes: Hostile and violent attitudes toward Mexican people increased.
  • American Attitude: A sense of invulnerability and superiority arose, particularly among soldiers from the West.
  • Tensions Today: Lingering issues related to immigration and labor in the American West.

California Gold Rush

  • Initial Fascination: California was viewed as a land of wealth and opportunity.
  • Discovery of Gold (1848): James Marshall found gold at Sutter's Mill.
  • Influx of People (1849): Nearly 100,000 people, known as 49ers, migrated to California.
  • Accessibility of Gold: California's gold was easily mined, unlike gold embedded in hard rock, with little government regulation.
  • Statehood (1850): Approved one year after gold discovery; minimal government was in place.
  • Economic Disparity:
    • Miners could earn 2525 a day, compared to 11 at home.
    • Living expenses were high, ranging from 2525 to 5050 per day.
  • Impact on Agriculture: The Gold Rush disrupted agricultural ambitions as crops and land were trampled.
  • Social Equality: California offered freedom and equality, where anyone could become rich instantly.
  • Opportunities for Women: Women found employment in domestic roles at mining camps with good salaries.
  • Collision of Cultures:
    • Immigrants from Mexico, Ireland, and Chile worked in the mines.
    • Many foreign workers intended to take their gold and leave but faced difficulties.
  • Foreign Miners Tax: A 2020 tax was levied on foreign miners, leading to conflicts.
  • Impact on Native Americans:
    • Native Americans, who revered the land, were displaced and decimated.
    • Tribes were trampled in the rush for gold.
  • Debate over Slavery:
    • Californians feared the establishment of large, slave-using plantations.
    • California was admitted as a free state in 1850.
  • Congressional Debates:
    • Focused on how California should be admitted, not if.
    • Reflected political tensions over slavery.

Political Impact of California's Statehood

  • President James K. Polk: Championed expansionism and the war with Mexico.
  • President Zachary Taylor:
    • A general during the Mexican-American War.
    • Dealt with California's status upon taking office.
  • Lack of Governance: California had no official government, with a military official overseeing laws established by Mexico.
  • Taylor's Recommendation: Called for California's immediate admission as a free state without becoming a territory first.
  • Southern Opposition: Southern leaders feared the limitation of their political power with the addition of new free states.
  • Texas Admission (1845): Admitted as a slave state, a victory for Southern leaders.
  • Morality of Slavery:
    • Mexico had banned slavery, leading to moral debates in the U.S.
    • The North challenged forcing slavery on a population that hadn't endorsed it.
    • The South argued the land was won with Southern blood.
  • Future Debates: Similar arguments were expected for New Mexico, Arizona, and Utah.
  • Congressional Divisions: Party lines were being replaced by North-South divisions.