Which statement describes the importance of the Bhagavad Gita? It is a medical text that describes Ayurvedic principles of healing.

It is a text that introduces the mathematical concept of zero.

It is the first example of Sanskrit writing in India.

It is a poem about the nature of man that is still widely read today.

Which of the following was not a rule associated with the caste system in ancient India?

Castes feared that being in contact with untouchables would spread pollution.

A high-caste person could not marry a person in a lower caste.

A person was born into a caste but could change castes through good behavior.

A person was born into a caste and could rarely change castes.