How did the mongols change the koryo dynasty?

answer:

in the 13th century koryŏ suffered from a series of invasions by the mongols. king kongmin   attempted a set of reforms to drive out the invaders and eliminate their influence from the court, but without success. finally, in 1392, the newly emerged confucian scholar gen. yi sŏng-gye overthrew the shaky dynasty and founded the chosŏn (yi) dynasty

answer; affirm trail court findings of fact;

answer; radial motion;