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Period 4 of 9
The Young Republic Expands
1800–1848
The Jeffersonian and Jacksonian decades transformed a fragile republic into a confident, expanding nation — doubling in size, fighting a second war with Britain, democratizing its politics, industrializing its economy, and igniting powerful reform and antislavery movements.
7Chapters
10–17%Of the exam
Chapters in this period
Each chapter opens on its summary; the study bar at the top of every chapter switches between its vocabulary, timeline, ordering game and quizzes.
Chapter 11
The Triumphs and Travails of the Jeffersonian Republic
Vocabulary Timeline Ordering Quiz Extra quiz Chapter 12The Second War for Independence and the Upsurge of Nationalism
Vocabulary Timeline Ordering Quiz Extra quiz Chapter 13The Rise of a Mass Democracy
Vocabulary Timeline Ordering Quiz Extra quiz Chapter 14Forging the National Economy
Vocabulary Timeline Ordering Quiz Extra quiz Chapter 15The Ferment of Reform and Culture
Vocabulary Timeline Ordering Quiz Extra quiz Chapter 16The South and the Slavery Controversy
Vocabulary Timeline Ordering Quiz Extra quiz Chapter 17Manifest Destiny and Its Legacy
Vocabulary Timeline Ordering Quiz Extra quizWhere this sits in the course
- P1 · 4–6% New World Beginnings 1491–1607 3 chapters
- P2 · 6–8% Colonial Society Takes Shape 1607–1754 2 chapters
- P3 · 10–17% Revolution & a New Republic 1754–1800 5 chapters
- P4 · 10–17% The Young Republic Expands 1800–1848 7 chapters
- P5 · 10–17% Civil War & Reconstruction 1844–1877 5 chapters
- P6 · 13–17% The Gilded Age 1865–1898 4 chapters
- P7 · 13–17% Boom, Bust, and Global War 1890–1945 9 chapters
- P8 · 13–17% Postwar America and the Cold War 1945–1980 4 chapters
- P9 · 4–6% The Contemporary Era 1980–present 3 chapters
Segment width = that period's share of the AP exam, using the College Board's published weightings.