Option D. It banned slavery in the Indian Territory was not the feature of Chickasaw's constitution.
The Constitution clearly says " The legislature has no power to pass laws for the emancipation of slaves without the consent of their owners, nor without paying their owners previous to such emancipation a full equivalent in money for the slave so emancipated".
Totalitarian government is very controlling
The answer would be : The Constitution
Many thought that congress is the one who limit the power of Government since they have the capabilities to decline a bill. But the highest hierarchy of power within every democratic countries fall to its constitution.
Whatever the congress and the Government planned on doing, it absolutely cannot stray from the constitution