Map - "Special Status" of Missouri as "Slave State"

The Missouri Compromise prohibited slavery in all areas acquired by the United States in the "Louisiana Purchase" EXCEPT for Missouri.

This map depicts Missouri's "Special Status." 

Click on the image to expand its size.

Credits

Image, Library of Congress.

USGS (U.S. Geological Survey) map depicting territorial growth by 1820 (the year of the Missouri Compromise).