Reshaping America in the Early 1800s 6.3:

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Reshaping America in the Early 1800s 6.3 America
Achieves Manifest Destiny
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Reshaping America in the Early 1800s Lesson 3
America Achieves Manifest Destiny
Learning Objectives

• Explain how the Mexican-American War helped the
  United States achieve the goal of Manifest
  Destiny.
• Identify the causes and effects of the California
  Gold Rush.

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Reshaping America in the Early 1800s Lesson 3
America Achieves Manifest Destiny
Key Terms

• Treaty of Guadalupe Hidalgo
• Gadsden Purchase
• Wilmot Proviso
• California Gold Rush
• forty-niners
• placer mining
• hydraulic mining

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Realizing Manifest Destiny
As a result of its quick victory in the
Mexican-American War, the United States finally
achieved the expansionists goal of Manifest
Destiny. Yet, the long-term effects of the war
served to highlight growing differences between
North and South and set the stage for future
conflict.
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Realizing Manifest Destiny

• Treaty of Guadalupe Hidalgo Ended the Mexican
  War and ceded them to give up the northern third
  of their county.
• Us also paid Mexico 15 Million for New Mexico and
  California and secured the Rio Grande as the
  southern boundary
• Gadsen Purchase strip of land in southern
  Arizona and New Mexico needed for a future
  railroad.
• Wilmot Proviso bill sent to Congress for 15
  strait years outlawing slavery in acquired
  Mexican Territory. Passed the House each time
  but failed in the Senate.

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Realizing Manifest Destiny
The Treaty of Guadalupe Hidalgo, shown here,
ended the Mexican-American War. Under the treaty,
the United States gained vast new territories in
exchange for a large lump payment to Mexico.
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Realizing Manifest Destiny
Analyze Maps How did the cessions of regions by
Mexico affect the overall growth of the United
States?
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The California Gold Rush
To most Americans, the new lands in the West
seemed too distant for rapid settlement. But in
early 1848, workers at John Sutters sawmill
found flecks of gold in the American River east
of Sacramento, California.
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The California Gold Rush

• California Gold Rush 80,000 fortune seekers in
  1849 headed to California to strike it rich.
• Called forty-niners
• 25,000 Chinese immigrated as well.
• Placer miner when you sift dirt from streams
  looking for gold
• Mining communities rough, no women, no family, no
  law.
• Miners did not get rich, the merchants that sold
  goods to the miners did
• hydralic mining use water to erode hillsides
  and catch gold on other side.
• Big mines were expensive and only rich could
  operate them
• May native Mexicans lost jobs, lost land, and had
  to pay a foreign miners tax.
• California wanted to enter the US as a free state
  but would upset the balance of 15 free and 15
  slave states (Wilmot Proviso)

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The California Gold Rush
Analyze Maps In which regions of California were
most gold strikes located?
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The California Gold Rush
Placer mining used water to sort through gravel
and other material in order to find valuable
gold, which would sink as other material washed
away. Infer What challenges made placer mining
slow and difficult?
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The California Gold Rush
Analyze InformationWhat were the immediate
economic effects of the Gold Rush in California
cities and towns?
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The California Gold Rush
Analyze Data What changes in California caused
the patterns shown here?
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Quiz Realizing Manifest Destiny
The key purpose of the Wilmot Proviso was A. to
secure southern Arizona and the New Mexico
territories. B. to ban slavery in all
territories gained from Mexico. C. to finalize
the terms of Mexico's surrender. D. to secure
the southern border of Texas.
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Quiz The California Gold Rush
California statehood increased political tensions
because it A. seemed to reduce the rights of
the gold miners. B. threatened to turn
California into a slave state. C. suggested that
the territory would no longer be part of
Mexico. D. threatened the congressional balance
between slave and free states.