Great Britain and the Iraqi oil industry war, but for production in the civilian economy. Britain had to turn elsewhere to address its growing oil needs. As Kaiser Wilhelm I and the Ottoman sultan struggled to reassert Ottoman dominion over the Sheikhdom of Kuwait, the British viceroy of the colonial government in India entered into an agreement with Sheikh Mubarak Al-Sabah which created a British protectorate in Kuwait. Britain needed a supply of petroleum which was not controlled by contemporary rivals such as Russia, Germany, or the Netherlands. British Admiral John Fisher wanted to replace Britain's coal-burning naval vessels with fuel-burning ships. This shift was crucial for
Rise of the Ottoman Empire while others remained Christian. Of great symbolic importance for Ottoman centralization was the practice whereby Ottoman rulers would customarily stand upon hearing the sound of martial music, indicating their willingness to participate in "gaza". Shortly after the Conquest of Constantinople in 1453, Mehmed II discontinued this practice, indicating that the Ottoman ruler was no longer a simple frontier warrior, but the sovereign of an empire. The empire's capital was shifted from Edirne, the city symbolically connected with the frontier warrior ethos of "gaza", to Constantinople, a city with deeply imperial connotations due to its long history as the capital of