The answer to your question would be property.
In 327 B.C., Alexander marched on Punjab, India. ... Alexander wanted to press on and attempt to conquer all of India, but his war-weary soldiers refused, and his officers convinced him to return to Persia. So Alexander led his troops down the Indus River and was severely wounded during a battle with the Malli.
By putting in the pipe line
Answer:
Religion was central to Aryan culture. Aryan religious practices merged with the customs of people already living in the valley to form the basis for Hinduism. The Aryans worshiped numerous gods through sacrifice. They practiced many elaborate rituals and were careful to remain ritually pure according to their varna.