Answer: The adjective "medieval" (or sometimes "mediaeval" or "mediæval"), meaning pertaining to the Middle Ages, derives from medium aevum. Medieval writers divided history into periods such as the "Six Ages" or the "Four Empires", and considered their time to be the last before the end of the world.
Explanation:
the answer is basically the scientific method.
Reincarnation, and Karma. I. The Caste System--(groups assigned by birth not personality). The Hindu conception of the social order is that people are different, and different people will fit well into different aspects of society.