An army from a polity of this ethnicity under Otrok Khan pledged allegiance to David the Builder of Georgia after being baptized prior to the Battle of Didgori. For 10 points each:
[10e] Name this ethnicity. At Didgori, forty thousand Cumans helped fight against the Seljuks, an empire ruled by this ethnicity.
ANSWER: Turkish [or Turks; or Türkler]
[10m] The Cumans were offered refuge by Bela IV, who was later defeated by this Khanate’s leader Batu Khan at the Battle of Mohi.
ANSWER: The Golden Horde [or Ulug Ulus; or Ulus of Jochi; prompt on Kipchak Khanate]
[10h] The Cuman-Kipchak Turks were often entangled in the politics of this empire. This empire was brutally sacked after another ruler’s emissaries were murdered by one of this empire’s governors, Inalchuq.
ANSWER: Khwarezmian Empire [accept Khwarezmid Empire or Khwarazm]
<AG, World History>