Sheikhdom of Kuwait In the early 20th century, Kuwait immensely declined in regional economic importance, mainly due to many trade blockades and the world economic depression. Before Mary Bruins Allison visited Kuwait in 1934, Kuwait lost its prominence in long distance trade. During World War I, the British Empire imposed a trade blockade against Kuwait because Kuwait's ruler (Salim Al-Mubarak Al-Sabah) supported the Ottoman Empire, who was in the Central Powers. The British economic blockade heavily damaged Kuwait's economy. The Great Depression negatively impacted Kuwait's economy starting in the late 1920s. International trading was one of Kuwait's main sources of income before oil.
Anglo-Ottoman Convention of 1913 capitulation rights for subjects of the Sheikh of Bahrain (protected by the Britannic Majesty’s Consuls) living in the Ottoman Empire (Article 15). The final step in ensuring its dominance over the Persian Gulf was formalizing British policing of the Gulf. Therefore, “for the Protection of its special interests…in the free water of the Persian Gulf and on the borders belonging to the independent Shaykhs from the south of al-Qatar up to the Indian Ocean,” the British were able to continue exercising, as in the past, the following measures (Article 16): <br> Anglo-Ottoman Convention of 1913 The Anglo-Ottoman Convention of 1913