<prompt> Bhala ukuqhubeka kwalesi sigaba - Umkhankaso uqala ngo-1237. U-Ögedei Khan unguKhagan-Emperor wesibili woMbuso WamaMongol, futhi njengengxenye yecebo lakhe lokunqoba iYurophu, u-Ögedei uyale uBatu Khan, umsunguli weGolden Horde, ukuba ahlasele iRussia  <response>: . futhi. Njengoba umdlalo uqala, uBatu uholele iQembu emaphethelweni aseningizimu yeRyazan. 