Both sides struggled under the weight of this war, which was carried out over such a great area (and strained tiny Portugal's resources), resulting in the end of large-scale campaigning.[6] The final, and perhaps only, "serious naval confrontation in the Indian Ocean" took place in 1554.[7] The next year the Lahsa (al-Hasa) and Habesh eyalets were proclaimed, with Özdemir Pasha assigned the task of conquering Habesh.[6]