The correct answer b) social contract. the other answers are wrong, for example: the divine right of king would mean that the king has a right to rule and does need an agreement from the people and natural rights are rights that all people have but the agreement, is not a right, but an agreement, or in other words: contract.
Two of the most significant totalitarian governments that existed following WWI were in Hitler's Germany and Mussolini's Italy, since both of these governments were "fascist" and were 2/3 of the "Axis" powers during World War II.
