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Subject
- History4
- Political aspects[remove]4
- Politics and government4
- Slavery3
- Adams, John Quincy, 1767-18481
- Antislavery movements1
- Causes1
- Douglas, Stephen A. (Stephen Arnold), 1813-18611
- Economic integration1
- European Union1
- European federation1
- HISTORY / United States / 19th Century1
- HISTORY / United States / Revolutionary Period (1775-1800)1
- International economic integration1
- Lincoln, Abraham, 1809-18651
- Political and social views1
- Political culture1
- Territorial expansion1
- War1