 |  Nation of Nations: A Concise Narrative of the American Republic, 3/e James West Davidson,
Historian William E. Gienapp,
Harvard University Christine Leigh Heyrman,
University of Delaware Mark H. Lytle,
Bard College Michael B. Stoff,
University of Texas, Austin
The Union Broken (1850-1861)
Learning ObjectivesWhen you have finished studying this chapter, you should be able to:
| Describe the changes in the economy in the 1850s and indicate how they contributed to the sectional conflict. |
 |  |  | | Discuss the impact of immigration on American society and politics in this period. |
 |  |  | | Trace how and why the second party system collapsed, to be replaced by a sectional alignment. |
 |  |  | | Discuss the rise of the Republican party to national power. |
 |  |  | | Describe the events during Buchanan's administration and indicate how they heightened the sectional conflict. |
 |  |  | | Give the reasons for southern secession and the outbreak of war. |
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