U.S. Slave vs. Free States Map Before 1820 - Historical Geography #2242006 (License: Personal Use)

This hand-drawn educational map depicts the United States and adjacent territories circa 1820, with regions color-coded: blue for slave states, orange for free states, green for unorganized territory (possibly Northwest Territory), and red for Spanish Mexico. The map reflects pre-Missouri Compromise divisions and highlights how slavery’s expansion shaped early national geography.

Used in history education contexts-classroom instruction, textbooks, or online learning modules-to illustrate antebellum sectionalism and territorial politics before 1820; matches user intent for historical understanding of U.S. slavery geography.