Morgenthau's principles of political realism are:
(A) Politics is rooted in permanent and unchanging human nature which is basically self-centered, self-regarding, and self-interested
(B) Politics is an autonomous sphere of action and cannot therefore be reduced to morals
(C) International Politics is an arena of conflicting self-interests
(D) The ethics of international relations is situational ethics which is very different from private morality
Choose the correct answer from the options given below: