Final answer:
Genghis Khan revolutionized the Mongol Empire with his leadership and military reforms, while Kublai Khan, his grandson, expanded the empire's influence into China and established the Yuan dynasty.
Step-by-step explanation:
The two most influential Mongols were Genghis Khan and Kublai Khan. Genghis Khan, also known as Chinggis Khan, united the Mongol tribes and established the Mongol Empire, and his conquests had a profound impact on the course of world history, making him one of the most influential Mongols. Under his rule, the military became a sophisticated war machine, and he aimed to maintain harmony and justice in the empire through the implementation of a law code known as the yassa.
His descendant, Kublai Khan, further expanded the empire and established the Yuan dynasty in China, although he ultimately faced the challenge of maintaining a unified empire, which began to fragment during his reign. Kublai's legacy includes significant cultural integrations and the management of a vast territory, which cemented his status as a pivotal ruler within Mongol history.