The chief impact of vedic culture on Indian history has been

The chief impact of vedic culture on Indian history has been caste system. In the beginning, the class system was not rigid. But in the later Vedic period it became rigid when the Brahmins and the kshatriyas became powerful and the vaishyas were made to pay tributes. The sudras became miserable and began to be treated as untouchables. The caste system, in those days had some advantages.