Answer:
B
Explanation:
Jazz evolved from slave work songs, spirituals, blues, brass band music, and ragtime.

Nelson Mandela was in prison for 27 years.
He wrote the book long walk to freedom.
Thanks
B. Fewer chances of military conflict and war.
Answer: The Umayyad dynasty undertook its administration work from Damascus while Abbasid did so from Baghdad. The fact that both caliphates managed their administration duties from their capital cities creates a common similarity between them two. Both Umayyad and Abbasid caliphates were made up of Sunni affiliated Muslims
Explanation: