<prompt> Qedela le nkulumo elandelayo: Lo mkhankaso uqala ngo-1237. U-Ögedei Khan unguKhagan-Emperor wesibili woMbuso WamaMongol, futhi njengengxenye yecebo lakhe lokunqoba iYurophu, u-Ögedei uye wayala uBatu Khan, umsunguli weGolden Horde, ukuba  <response>: ukuhlasela iRussia. Njengoba umdlalo uqala, uBatu uholele iQembu emaphethelweni aseningizimu yeRyazan. 