This people issued an 1861 "Declaration of Causes" which stated their alliance with the Confederate States of America in the Civil War. Starting with John Ross, the "ugu," or chief, of this people was constitutionally elected, and Ross was chief when the Supreme Court case of Worcester v. Georgia affirmed sovereignty of land administered by this tribe, though that didn't stop subsequent US military action against them. The literacy of this tribe 
This people issued an 1861 "Declaration of Causes" which stated their alliance with the Confederate States of America in the Civil War. Starting with John Ross, the "ugu," or chief, of this people was constitutionally elected, and Ross was chief when the Supreme Court case of Worcester v. Georgia affirmed sovereignty of land administered by this tribe, though that didn't stop subsequent US military action against them. The literacy of this tribe was facilitated by a syllabary created by Sequoyah. FTP what is this Native American people, some of whom signed the controversial Treaty of New Echota, leading to their forced move west on the Trail of Tears?
This people issued an 1861 "Declaration of Causes" which stated their alliance with the Confederate States of America in the Civil War.
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