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.
British colonization of the Americas Rupert's Land. The small part of the Hudson Bay drainage south of the 49th parallel went to the United States in the Anglo-American Convention of 1818. Thirteen of Great Britain's colonies rebelled in the American Revolutionary War, beginning in 1775, primarily over representation, local laws and tax issues, and established the United States of America, which was recognised internationally with the signing of the Treaty of Paris on 3 September 1783. Great Britain also colonised the west coast of North America, indirectly via the Hudson's Bay Company licenses west of the Rocky Mountains: the Columbia District and New Caledonia fur