Directions: grammatically correct the sentence below. There are three missing commas.
Genghis Khan proclaimed as the ruler of all Mongols in 1206 helped create the Mongol Empire a vast transcontinental empire that connected the East with the West.
Suggested Correction:Genghis Khan, proclaimed as the ruler of all Mongols in 1206, helped create the Mongol Empire, a vast transcontinental empire that connected the East with the West.