| 1. What were the dominant issues in national politics in the 1840s? |
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| 2. Why did settlers migrate west, and what conditions did they face? |
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| 3. Why did Texas declare independence from Mexico in 1836, and why were many Americans reluctant to accept it as a new state in the Union? |
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| 4. What were the causes of the Mexican War? |
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| 5. What territories did the United States gain from the Mexican War, and what controversial issue consequently arose? |
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