Which part of India's' history most directly supports alBeruni's claim about how the Hindu culture he observed differed from earlier culture in India.

the development of the caste system

Explanation:

According to Al-Beruni, there was a significant difference between the Hindus and the Muslims which was reflected in the feelings of equality and fairness they had towards other people.

The India's' history most directly supports alBeruni's claim about how the Hindu culture he observed differed from earlier culture in India is the development of their caste system.

yes i think there would be volunteers