Missouri Compromise of 1820 Map - Free vs. Slave States & Territories #2241974 (License: Personal Use)

This color-coded historical map illustrates the territorial divisions mandated by the Missouri Compromise of 1820, with red indicating free states, orange for free territories, green for slave states, and yellow for slave territories. The bold red line marks the Missouri Compromise Line at 36°30′ north latitude, prohibiting slavery north of it (except Missouri) and allowing it southward. Surrounding regions-including unorganized territory, Spanish-held Mexico, and British Canada-are also labeled for geopolitical context.

Used on educational history websites, textbooks, or museum exhibits to explain early 19th-century U.S. sectional tensions; matches user intent seeking visual understanding of pre-Civil War compromises and geographic slavery boundaries.