Westward Expansion Map
DESCRIPTION
Interactive territorial expansion map from the Original 13 Colonies (1783) to the Gadsden Purchase (1853). Timeline slider reveals 9 acquisitions with area data, historical context, and key details. Click territories for descriptions of purchase, treaty, or war. Toggle Oregon, Santa Fe, and California Trail overlays. Tracks cumulative area and growth multiplier in real time.
- Manifest Destiny
- westward expansion
- Louisiana Purchase
- Mexican Cession
- Oregon Trail
- territory
- AP US History
RELATED VISUALIZATIONS
Civil War Battles
Timeline and map visualization of 12 major Civil War battles (1861–1865). Dot size proportional to casualties. Color-coded by victor (Union blue, Confederate red). Green dashed ring marks turning points (Antietam, Gettysburg, Vicksburg, Appomattox). Filter by year and victor. Toggle between timeline and geographic map views. Detailed descriptions include strategy, outcome, and historical significance.
Immigration Waves
Area and bar chart visualization of four immigration waves (1820–present). Wave 1: Old Immigration (NW Europe), Wave 2: New Immigration (S/E Europe), Wave 3: Restriction Era, Wave 4: Modern/Global. Each wave shows push/pull factors, origin countries, and historical context. Toggle key legislation markers (Chinese Exclusion Act, National Origins Act, Hart-Celler Act, IRCA). Peak year 1907 with 1.29M arrivals.
Great Depression Indicators
Multi-metric economic visualization of the Great Depression (1925–1945). Toggle between DJIA (stock market), unemployment rate, GDP, or all overlaid. Shaded zones mark the Collapse (1929–33), New Deal (1933–39), and WWII (1941–45) eras. Toggle key event markers (Black Tuesday, Smoot-Hawley, FDR inauguration, Roosevelt Recession). Explore New Deal programs organized by Relief, Recovery, and Reform categories.
Cold War Timeline
Interactive timeline of 18 Cold War events (1947–1991) color-coded by category: crisis (red), policy (blue), diplomacy (gold), space (green), domestic (purple). Filter by era (Early, Hot, Détente, End) and category. Toggle tension meter overlay showing a 1-10 tension level graph peaking at Cuban Missile Crisis (10/10). Detailed descriptions cover containment, MAD, proxy wars, and the USSR collapse.