Question

The first reaction against the vedic sacrifices is available in answer​

Answer 1

Answer:

Towards the end of the Vedic Age, particularly when the Vedic Brahman as were being written, the Vedic Brahmanism became meaningless observance of a series of religious rites and performances which were both complex and unintelligible to the common people.

Religious formalities were prized above devotion, honesty, truth and real faith.