1840
Recorded number of enslaved people by county
30,000
1
3,000
8,000
800
5,000
13,000
No data
Non-US
territory
US state/territory
borders in 1840
Forcibly seized lands
The cotton slavery system rapidly established itself across lands seized from Indigenous groups
1840
Recorded number of enslaved people by county
30,000
No data
1
3,000
8,000
800
5,000
13,000
Non-US territory
US state/territory
borders in 1840
The Cotton Belt develops
The cotton slavery system rapidly established itself across lands seized from Indigenous groups