What was the largest landowner group at the end of the thirteenth century

Explanation:

The largest landowner group at the end of the thirteen century was the barbarians. The Mongolian were mostly barbarian and the empire used to amass the most part of the land at the time of its fall in 1368. This mainly includes the most part of the present china and the way towards eastern Europe.

Hope this helps :)

i dont know. sorry : (

rosevelt. 1973. "slaves everywhere"