Which of the following statements is not true about the mongols during the 1200s? they relied on sheep and goats for survival. temuchin later became known as genghis khan, meaning "universal ruler. kublai khan conquered the song dynasty in southern china after he came to power in 1260. the mongols were a peaceful people, and entered towns and villages seeking to others improve their quality of life. mongols only gained power with the approval of the village.