United States--History--Kansas Territory--Slavery Conflicts--Pre-Civil War 2 Buchanan, James 1 California--History--19th century 1 Capital Punishment--19th century 1 Compromise of 1850 1 Czech American business enterprises 1 Czech Americans 1 more ... Economic conditions 1 Genealogy--Todd and Lincoln Families 1 Historians--19th century 1 Kansas--History--19th century 1 Mexican War, 1846-1848 1 Mexico--History--19th century 1 Pennsylvania--Boundaries--Ohio 1 Politics and Government--Pennsylvania--19th Century 1 Scott, Dred 1 Slavery 1 Slavery--Anti-Slavery Movements 1 Texas--History--19th century 1 United States--Latin American relations 1 Wilmot proviso 1 less ...