One cannot be deduced by pure reason or thought, but require a study of history and society in order to understand effects made by them, and understand the nature of social facts.
In order to be governed by the provisions of the Indian reorganization act, the tribes were required to a<span>dopt a constitution and hold elections.
The tribes were asked to modernize a little bit by sorting out their 'government,' and creating rules of conduct. They were also supposed to follow the rules proposed by their constitution and choose their leaders the democratic way.
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The first is that the Executive branch has a term limit associated with it. This ensures that no one Chief Executive can amass too much power or rule for too long.
The second is America's ingenious system of checks and balances which works to ensure that there are three co-equal branches of government instead of one lead branch and two subservient branches of government.