It would be "homeostasis" that is the term that identifies the cell’s ability to maintain its internal conditions, since this is one of the most crucial functions for a cell--regulating things like heat, waste, etc.
separation of powers
checks and balances
Montesquieu established that the best form of government was one in which the legislative, executive, and judicial powers were separate and kept each other in check to prevent any branch from gaining too much power and becoming tyrannical
The answer is D New York.