The map below shows the expansion of the empire during the age of the caliphs. use the map to answer the following question: caliph abu bakr, one of the four rightly guided caliphs, led the region in 634 ce. for which of the following statements does this map provide evidence? abu bakr's empire controlled trade in the area between the black sea and the caspian sea, and anatolia. abu bakr's empire represented the height of islamic expansion in the seventh century ce. abu bakr's empire controlled the three most sacred sites in islam. abu bakr's empire experienced many setbacks that slowed down islamic expansion for a century.