Which ancient society featured a religion that believed that humans would be reborn again and again in different forms?

The ancient society that featured a religion believing in reincarnation is the Hindu civilization of India. Hinduism teaches that the soul undergoes a cycle of birth, death, and rebirth (samsara) based on karma, the actions taken in previous lives. This belief emphasizes spiritual growth and the pursuit of moksha, or liberation from the cycle of reincarnation. Other cultures, such as certain ancient Greek philosophies and Buddhism, also embraced similar concepts of rebirth.