The Indo-Europeans were a group of itinerant people who came from the steppes. Steppes are a dry grassland that extended north of Caucasus. Migrations are the movement of a group of people from one dominion to another. The Hittites were a group of Indo-Europeans the occupied Anatolia. Anatolia is a huge peninsula in modern day Turkey. The Aryans were another group of Indo-Europeans that's country was somewhere between the Caspian and Aral seas. The Vedas is a collections of prayers, magical spells, and instructions for performing rituals. The Brahmins were priest that were one of the social classes that the Aryans were divided into. The castes were the social systems group. Finally the Mahabharata is one of the two major Sanskrit epics of ancient India