Answer:
One of the biggest contributions of Buddhism to India in the political field was that it promoted a sense of national feelings amongst the Indians. It not only shattered the dominance of the caste system which stood in the way of the achievement of this unity but also gave a death blow to the dominance of Brahmans.
Step-by-step explanation:
The greatest contribution of Buddhism was the establishment of a simple religion which could be easily understood and followed by the common people. In this religion, rites, rituals, yajnas and caste had no place. According to K. M. Panikar, “To the common man this (Buddhism) was indeed a new gospel.