Which of the Following Statements About the Muslim/Arab World at the Beginning

Multiple Choice

Which of the following statements about the Muslim/Arab world at the beginning of the period of the Crusades is false?

A) Religious-political schisms within the Islamic Empire in the tenth and eleventh centuries had undermined its strength
B) The Abbasid caliphs' power had largely been usurped by rival Turkish and Iranian forces
C) Under the atabeg system, slave-tutors to the royal princes rose to key positions and often overthrew their former masters
D) The atabegs and Turkish mercenaries joined forces to take control from the Abbasid rulers
E) none of these choices