Dive into AP US History Period 5 (1844-1877) on this episode of Full AP Course Review, where we unpack the explosive era of territorial expansion, sectionalism, Civil War, and Reconstruction. From Manifest Destiny fueling the Mexican-American War to the radical changes of the 13th, 14th, and 15th Amendments, discover how these forces reshaped America. Perfect for AP students mastering continuity, change, and key exam themes like WEST: War, Expansion, Slavery, Transformation.

• Contextualizing Period 5: America's growth spurt, slavery debates, and three driving forces (expansion, sectionalism, identity)
• Territorial expansion: Mexican-American War (1846-1848), Treaty of Guadalupe Hidalgo, Wilmot Proviso
• Sectionalism: North vs. South economics, culture, politics; Compromise of 1850, Kansas ...