What was
primarily responsible for the prosperity of the Islamic civilization?

Implementation of teaching of Islam.

Explanation:

Implementation of Islamic rules in the country is primarily responsible for the prosperity of the Islamic civilization because in Islamic civilization, the religious practices are followed which make the civilization unique and different from other civilization. Prosperity of Islamic civilization is only possible when all rules and laws present in Islam should be implemented and followed by its people.

the south did not want the federal laws to overrule the state laws.