What religion did hinduism absorb on the indian subcontinent

Hinduism is considered one of the oldest religions in the world. Western scholars regard Hinduism as a synthesis, or fusion, of various Indian cultures and traditions, with diverse roots and no stated founder. This synthesis is believed to have developed after Vedic times, between 500 BCE and 300 CE. Please give me the brailiest answer?

:) Hoped this helped <3

i think they would live in caves or natural tunnels

c. it required that townships set aside land for public schools.