The study of governmental structures must be approached with great caution, for political systems having the same kind of legal arrangements and using the same type of governmental machinery often function very differently. A parliament, for example, may be an important and effective part of a political system; or it may be no more than an institutional facade of little practical significance. A constitution may provide the framework within which the political life of a state is conducted; or it may be no more than a piece of paper, its provisions bearing almost no relationship to the facts of political life. Political systems must never be classified in terms of their legal structures alone: the fact that two states have similar constitutions with similar institutional provisions
it is asking to explain one way that scholarly disciples not recorded in history have contributed the perspectives explained by Diamond. (who im presuming is the author)
The encomienda system was seen as a true trusteeship among the
population, as opposed to the repartimiento system which was seen as
abusive, and was thought to promote unethical behavior.