Question

how did the prosperous abbasid dynasty become politically divided

Answer 1

After the death of a prominent Arab ruler, his son's fought and tore the city apart. A lack of qualified arabs meant that they had to employ non-arabs as caliphs and then it became corrupt

Answer 2

after the death of a prominent Arab ruler, his sons fought and tore the city apart. a lack of qualified Arabs meant that they had to employ non-Arabs as caliphs and then it became corrupt.