Who was the Muslim leader responsible for the reconquest of most of the territories belonging to the Christian crusaders? AP World History Chapter 7 Who was the Muslim leader responsible for the reconquest of most of the territories belonging to the Christian crusaders? a. Muhammad ibn Qasim b. al-Ghazali c. Saladin d. Firdawsi e. Umar Answer: C Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+