Which of the following characteristics best explains the durability of Confucian ideology in Chinese history?
I. Its ability to model large-scale relations between groups in the body politic on familial or personal relationships
II. Its ability to fulfill persistent desires of women for equality in gender relations
III. Its ability to unify a massive imperial bureaucracy around a common set of moral percepts over time
IV. A set of widely agreed-on and accepted essential texts, beginning with the Analects, which formed a common basis for study over time
V. Its exclusively Chinese origin, which meshed well with prevalent notions of the superiority of the "Middle Kingdom" over other civilizations