Which of the following BEST explains the relationship between tribal sovereignty and dual citizenship? Please choose the correct answer.
A: Indigenous Americans under tribal sovereignty are dual citizens because they might be asked to serve in both the U.S. Military and the Tribal military.
B: Indigenous Americans under tribal sovereignty are not dual citizens because they have international passports issued by the tribe
C: Indigenous Americans under tribal sovereignty are dual citizens because they might be asked to use separate currencies with the U.S. and with the tribe
D: Indigenous Americans under tribal sovereignty are dual citizens because tribal lands are like states with the power to govern and tax within their borders.