Mubarak Al-Sabah included other pressures and troubles for the Ottoman Empire including the British lobbying on Kuwait's behalf, led to the Anglo-Ottoman Convention of 1913, which recognized Kuwait as an autonomous "kaza" of the Ottoman Empire within the Green zone outlined in the map as well as an independent entity within the red zone outlined in the map. By the time World War I began Mubarak closely sided with the British against the Ottomans, and the 1913 Convention was rendered null. In support of the war effort Mubarak sent a force to Umm Qasr, Safwan, Bubiyan, and Basra to expel the Ottomans
Historiography of the fall of the Ottoman Empire the first writers in the 1960s to summarise the works on Ottoman socio-economic history. He suggested one of the reasons for Ottoman economic decline was the inability of the ruling class to make a clear choice between war and the more conventional types of capital formation. Berkes' work however focused on the confrontation of the Ottomans and the Europeans, and though important, had little detail on the commercial activities of the state. The Ottomans saw military expansion and fiscalism as the primary source of wealth, with agriculture seen as more important than manufacture and commerce. Berkes described the Ottoman economy