Open Door maintenance in a certain territory of equal commercial and industrial rights for the nationals of all countries. As a specific policy, it was first advanced by the United States, but it was rooted in the typical most-favored-nation clause of the treaties concluded with China after the Opium War (1839-42). Although the Open Door is generally associated with China, it also received recognition at the Berlin Conference of 1885, which declared that no power could levy preferential duties in the Congo basin. Development of the Policy In the 1890s, the United States had become an East Asian power through the acquisition of the Philippine Islands, and when the partition of China by the European powers and Japan seemed imminent, the U.S. government strove to preserve equal industrial and commercial privileges. Secretary of State John Hay sent (1899) notes to the major powers (France, Germany, Great Britain, Italy, Japan, and Russia), asking them to declare formally that they would uphold Chinese territorial and administrative integrity and would not interfere with the free use of the treaty ports within their spheres of influence in China. In replying, each nation evaded Hay's request, taking the position that it could not commit itself until the other nations had complied. However, in Mar., 1900, Hay announced that the powers had granted consent to his request. Only Japan challenged this declaration, and the Open Door became an international policy. After the Boxer...
Open Door maintenance in a certain territory of equal commercial and industrial rights for the nationals of all countries. As a specific policy, it was first advanced by the United States, but it was rooted in the typical most-favored-nation clause of the treaties concluded with China after the Opium War (1839-42). Although the Open Door is generally associated with China, it also received recognition at the Berlin Conference of 1885, which declared that no power could levy preferential duties in the Congo basin. Development of the Policy In the 1890s, the United States had become an East Asian power through the acquisition of the Philippine Islands, and when the partition of China by the European powers and Japan seemed imminent, the U.S. government strove to preserve equal industrial and commercial privileges. Secretary of State John Hay sent (1899) notes to the major powers (France, Germany, Great Britain, Italy, Japan, and Russia), asking them to declare formally that they would uphold Chinese territorial and administrative integrity and would not interfere with the free use of the treaty ports within their spheres of influence in China. In replying, each nation evaded Hay's request, taking the position that it could not commit itself until the other nations had complied. However, in Mar., 1900, Hay announced that the powers had granted consent to his request. Only Japan challenged this declaration, and the Open Door became an international policy. After the Boxer...
