The conversation between human and AI assistant.
Do/did castes (sub) systems exist (with) in/under Zoroastrianism? Who (effectively) liquidated/eradicated/abolished most of those (sub) systems?
Did the reform movement face any opposition in their efforts to abolish the caste-based practices?
Yes, there was some opposition within the Zoroastrian community to dismantling the caste-based practices, but the reform movement was ultimately successful in their efforts.