Note 100 — Chapter III · THE SPREAD OF ISLAM AMONG THE CHRISTIAN NATIONS OF WESTERN ASIA.

Indeed, so far from the development of the Christian Church being hampered by the establishment of Muhammadan rule, the history of the Nestorians exhibits a remarkable outburst of religious life and energy from the time of their becoming subject to the Muslims.100 Alternately petted and persecuted by the Persian kings, in whose dominions by far the majority of the members of this sect were found, it had passed a rather precarious existence and had been subjected to harsh treatment, when war between Persia and Byzantium exposed it to the suspicion of sympathising with the Christian enemy. But, under the rule of the caliphs, the security they enjoyed at home enabled them to vigorously push forward their missionary enterprises abroad. Missionaries were sent into China and India, both of which were raised to the dignity of metropolitan sees in the eighth century; about the same period they gained a footing in Egypt, and later spread the Christian faith right across Asia, and by the eleventh century had gained many converts from among the Tatars.101