Step-by-step explanation:
the Yuan dynasty from 1279 to 1368 was China's first foreign LED dynasty in between the Chinese song and Ming dynasties that occurred it was established by Kublai Khan who who is the renowned leader of vast Mongol empire and it fell into a rebellion after it lost touch with its Mongol roots. the most significant achievement of the dynasty was the unification of the whole territory China had been for more than 300 years a country of many individual separate states. after the founding of the dynasty many ethnic minorities came to the Central plain and helped spread more culture to China