When Möngke Khan became Great Khan in 1251, he immediately set out to implement his grandfather Genghis Khan's plan for world empire.
During the Mongol attack on the Mamluks in the Middle East, most of the Mamluks were Kipchaks, and the Golden Horde's supply of Kipchaks replenished the Mamluk armies and helped them fight off the Mongols [REF].