Slavery and the Changing Map - For each map below make a color key Slavery and the Changing Map - For each map below make a color key. One color - Areas open to slavery. One color - Areas that are free territories 1820 - Missouri Compromise Compromise of 1850 Oregon Territory Oregon Country Minn Territory Missouri Territory Free States Free States Calif. Unorganized Territory MO Utah/N.Mex Territory Mexico Slave States Slave States Kansas-Nebraska Act - 1854 Dred Scott Decision 1857 Oregon Country Neb. Terr All Territories Calif. Free States Utah Terr. Calif Free States Kan. Terr New Mex. Terr. Slave States Slave States
Area Closed to Slavery Area Open to Slavery