Why did Abbasid caliphate decline?

Explanation:

The Abbasid Caliphate was one of the strongest caliphates of Muslim history. However, due to the weak political leadership, separatist movements, along with the emergence of new empires and ideological differences within Muslims, led to the fall of the Abbasid Caliphate.

fearing kabuki could corrupt the nation’s morals, japanese government officials

explanation:

the national morals was so the japanese and the kabuki would stop fighting