The Popes and Great Khans of the Mongol Empire

The Popes and Great Khans of the Mongol empire

A) tolerated each other's religious views because of the great distance that separated them
B) both believed that their respective actions were sanctioned by heaven
C) had no cause for disagreement as Popes were religious leaders and Khans were secular leaders
D) were too distant in terms of geographic location to have dealings with one another
E) None of the above.