Prospering under Tatar rule & expanding as it intersected trade routes, this city became a capital in the 15th century
In some 
areas, new political powers came to the fore, while in others old systems became 
..... Zhu took the southern city of Nanjing as his new capital, founded the Ming... [DOC] [TLE] Mongol invasion of Rus' - Wikipedia [PAR] The Mongol Empire invaded Kievan Rus' in the 13th century, destroying 
numerous cities, ... All Rus' principalities were forced to submit to Mongol rule 
and became part of ... were used by the Mongols under Tului to raze the walls of 
Russian cities.