Question

the crusaders first success came at nicaea, which fell after a six - week siege. but the city surrendered to the ________ forces, cheating the crusaders, as they saw it, of their rightful plunder, which caused further strain between the crusaders and their (former) allies. ottoman byzantine arab mamluk

Explanation:

During the First Crusade, after the siege of Nicaea, the city surrendered to the Byzantine forces instead of the Crusaders, causing tensions. The Ottomans, Arabs, and Mamluks were not the entities to whom Nicaea surrendered in this context.

Answer:

Byzantine