What territories did Béla IV have to cede to Stephen?
Lands west of the Danube River
Lands in Croatia and Dalmatia
Lands east of the Danube River
Lands in Bosnia and Barancs
Answer
Béla IV, the King of Hungary, had to cede the lands east of the Danube River to Stephen. This was because of the Mongol invasions of Hungary. The Mongols invaded Hungary in 1241 and 1242. They destroyed much of the country and killed many people.
Unveiling the Legacy: The Reign of Béla IV of Hungary