Concept:Vedic religion is the ancient Indo-Aryan faith based on the Vedas. It is historically called Brahmanism because Brahmins (priests) and ritual sacrifices were central to its practice.Explanation:The Vedic religion involved hymns, sacrifices, and the authority of the Vedas. As it developed, the role of Brahmins became dominant, leading to the term Brahmanism. Buddhism and Jainism are later non-Vedic religions that rejected Vedic rituals and the caste system. Hedonism is a Greek philosophy focused on pleasure and is unrelated. Therefore, Vedic religion is synonymous with Brahmanism, which later evolved into classical Hinduism.Answer:B. Brahmanism