Final answer:
Samsara is the Hindu concept of the cycle of death and rebirth, influenced by a person's karma, culminating in achieving moksha, the release from the cycle.
Step-by-step explanation:
Samsara in Hindu philosophy refers to the cycle of death and rebirth that a soul undergoes and the belief that a person's actions in one life, governed by karma, help determine their fate in future lives. This cycle continues until the soul achieves moksha, or liberation from the cycle. Answer b. a cycle of life and death where a person's actions in one life help determine their next life, BEST describes SAMSARA as it embodies the Hindu concept that our deeds have a direct effect on our future incarnations and that ultimately, the soul aims to escape this cycle through spiritual development and understanding.