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Westward Expansion: Key Events and Impacts

Apr 13, 2025

Westward Expansion and Conflict Test Review

Important Dates

  • 1803: The Louisiana Purchase occurred
  • 1830: The Indian Removal Act was passed
  • 1836: Texas declared independence; The Battle of the Alamo took place
  • 1845: Texas was annexed by the United States
  • 1846-1848: The Mexican-American War occurred
  • 1848-1855: The California Gold Rush
  • 1850: California became a state

Key Terms

  • Louisiana Purchase: Doubled the size of the U.S.
  • Manifest Destiny: Belief that the U.S. should expand to the Pacific Ocean
  • Homestead Act: Encouraged western settlement by providing free land
  • Indian Removal Act of 1830: Forced relocation of Native Americans
  • Transcontinental Railroad: Linked the East and West coasts impacting trade and settlement

Key Trails and Reasons for Westward Travel

  • Oregon Trail: Settlers sought fertile farmland and a new life
  • Mormon Trail: Travelers sought religious freedom and escape from persecution
  • Santa Fe Trail: Used primarily for trade with Mexico
  • California Trail: Travelers were motivated by gold and economic opportunity

Significant Groups and Contributions

  • Chinese Workers: Built the Central Pacific Railroad, faced harsh conditions
  • Irish Workers: Built the Union Pacific Railroad
  • Mexican Americans: Contributed ranching, mining, and irrigation techniques

Significant Conflicts and Events

  • Battle of the Alamo: A Mexican victory
  • Battle of San Jacinto: A Texan victory securing Texas independence
  • Wounded Knee Massacre: Last major incident between the U.S. Army and Native Americans
  • California Gold Rush: Discovery of gold led to rapid settlement
  • Dawes Severalty Act: Divided tribal lands into individual plots for Native Americans
  • Gadsden Purchase: Added territory to the southwestern United States for railroad construction

Important People and Reformers

  • Sarah Winnemucca: Advocated Native American rights
  • Helen Hunt Jackson: Advocated fair treatment of Native Americans
  • Chief Joseph: Surrendered after attempting to escape to Canada
  • President Andrew Jackson: Authorized the Indian Removal Act
  • Brigham Young: Led the Mormons west to Utah
  • Sam Houston: Commanded Texan forces at the Battle of San Jacinto

Effects of the California Gold Rush

  • California became a state in 1850
  • Rapid population growth
  • Building of the Transcontinental Railroad
  • Growth in mining and farming industries

Questions and Answers

  • How did the Louisiana Purchase change the United States?

    • It doubled the size of the U.S., expanding westward and giving control of the Mississippi River.
  • Name one reason people traveled on each trail:

    • Oregon Trail: To find farmland and better living conditions
    • Mormon Trail: To escape religious persecution
    • Santa Fe Trail: For trade
    • California Trail: To find gold
  • List two effects of the transcontinental railroad:

    • Faster and safer travel across the country
    • Increased trade and migration westward
  • Name one cause and one effect of the Mexican-American War:

    • Cause: Annexation of Texas and border disputes
    • Effect: U.S. gained large territory including California and the Southwest

Effects of Westward Expansion on Different Groups

  • Native Americans

    • Opportunity: Some adapted and traded with settlers
    • Loss: Forced off ancestral lands, culture disrupted
  • Oregon Trail Pioneers

    • Opportunity: New land and farming opportunities
    • Loss: Diseases and difficult journeys
  • Enslaved People

    • Opportunity: Some escaped to new territories or gained freedom
    • Loss: Expansion of slavery into new areas
  • California Gold Miners

    • Opportunity: Chance to strike it rich
    • Loss: Many faced disappointment, high prices, and harsh conditions
  • Mexican Americans

    • Opportunity: Some retained land and influenced local culture
    • Loss: Lost land, rights, and status after U.S. acquisition

Explanation

  • Purpose of the Indian Removal Act of 1830: To relocate Native American tribes from their lands east of the Mississippi to land west of the Mississippi, making room for white settlers.

  • Define Manifest Destiny: The belief that the U.S. was destined to expand across the North American continent, from the Atlantic to the Pacific.

  • Choose one group and explain their opportunities and losses:

    • Native Americans
      • Opportunity: Some became intermediaries or adapted farming practices
      • Loss: Lost ancestral lands and many lives due to forced relocation