dox" form, which had reached Russia long before the Mongol conquest, by means of Bulgarian missionaries from Constantinople.
To the west of the domains of Kipchak, outside the range of Mongol rule, a second centre of Slav consolidation had been set up during the tenth and eleventh centuries in Poland. The Mongol wave had washed over Poland, but had never subjugated it. Poland was not "orthodox," but Roman Catholic in religion; it used the Latin alphabet instead of the strange Russian letters, and its monarch never assumed an absolute independence of the Emperor. Poland was in fact in its origins an outlying part of Christendom and of the Holy Empire; Russia never was anything of the sort.
§ 5d
The nature and development of the empire of the Ilkhans in Persia, Mesopotamia, and Syria is perhaps the most interesting of all the stories of these Mongol powers, because in this region nomadism really did attempt, and really did to a very considerable degree succeed in its attempt to stamp a settled civilized system out of existence. When Jengis Khan first invaded China, we are told that there was a serious discussion among the Mongol chiefs whether all the towns and settled populations should not be destroyed. To these simple practitioners of the open-air life the settled populations seemed corrupt, crowded, vicious, effeminate, dangerous, and incomprehensible; a detestable human efflorescence upon what would otherwise have been good pasture. They had no use whatever for the towns. The early Franks and the Anglo-Saxon conquerors of South Britain had much the same feeling towards townsmen. But it was only under Hulagu in Mesopotamia that these ideas seem to have been embodied in a deliberate policy. The Mongols here did not only burn and massacre; they destroyed the irrigation system that had endured for at least eight thousand years, and with that the mother civilization of all the Western world came to an end. Since the days of the priest-kings of Sumeria there had been a continuous cultivation in these fertile regions, an accumulation of tradition, a great population, a succession of busy cities, Eridu, Nippur, Babylon, Nineveh, Ctesiphon, Bagdad. Now the fertility ceased.
