Africa and the Mediterranean in the 15th Century Principal Spanish Explorations of North America Conquest of Canada, 1758-1760 Pontiac's War and the Proclamation Line of 1763 Revolutionary War in the Northern States War in the Lower South, 1780-1781 Western Land Claims during the Revolution Advance of Settlement to 1790 Distribution of Slave Population, 1790-1820 War of 1812 Free and Slave States and Territories, 1848 Principal Campaigns of the Mexican War, 1846-1847 Principal Military Campaigns of the Civil War Spanish-American War in Cuba, 1898 Korean War Vietnam War   French Louisiana and Spanish Texas, circa 1730 Counties Carried by Candidates in the 1856 Presidential Election Slavery in the South, 1860 Southern Secession Industrial America, 1900-1920 Europe Goes to War Allied Advances and Collapse of German Power Shifts in African American Population Patterns, 1940-1960 Population Shifts toward the "Sunbelt"