Respuesta :
The correct option is: "To end spheres of influence over control of foreign trade in China"
The open-door policy with respect to China, its first advances were made by the United States in the Open Door Notes of September-November 1899. In 1898, the United States had become a power in East Asia by Through the acquisition of the Philippines, and when the distribution of China by the European powers and Japan was imminent, the United States felt that its commercial interests in China were being threatened. US Secretary of State John Hay sent notes to the major powers (France, Germany, the United Kingdom, Italy, Japan and Russia), asking them to formally declare that they would defend the territorial and administrative integrity of China and that they would not interfere with the free use of the Chinese ports located within their spheres of influence in China.