Between 1820 and 1870, five Indian nations in the southeast adopted constitutions, engaged in for-profit cotton export, created tribal school systems, established courts, police, and remained economically and politically independent and self-sufficient. The five nations -- Cherokee, Choctaw, Creek, Chickasaw and Seminole -- also retained many forms of traditional culture within their new constitutions and ceremonial life...
Champagne, Duane. "The Sustained Self-Sufficiency of the Five Civilized Tribes." Indian Country Today Media Network. October 21, 2013. Article. (https://indiancountrymedianetwork.com/history/events/the-sustained-self..., accessed October 21, 2013)