During the Abbasid dynasty, a. there was a revival of Zoroastrianism. b. Persians began silk-cultivation. c. the caliphs were more like kings than spiritual leaders. d. Damascus became the Islamic capital. e. Greek writings were regarded as heretical and forbidden.

Option c.

The caliphs were more like kings than spiritual leaders.

Explanation:

The Abbasids were known to be an Arabic dynasty who ruled over most of the Islamic empire from 750 to 1258 CE.

Caliphs on the other hand are political and religious leaders who are successors to the Islamic prophet Muhammad.They have absolute power and authority.

During the Abbasid dynasty, though caliphs are both religious and political leaders, their absolute power made them function more in their political capacity, making them like "kings" in the Arabian empire.

d. the right to establish a one-house legislature