American textile manufacturers had found markets for cheap cotton goods and United States of America gets support of Chinese territorial and administrative integrity. This is how Open Door Policy towards China benefited USA.
Step-by-step explanation:
Open Door policy was initiated by United States of America in 1899 and 1900. The motto of the Open Door Policy is to provide equal trading opportunities for all countries with China. Open Door Policy was a milestone of American foreign policy. Open Door Policy was signed between China, US, Japan and several European countries.
American textile manufacturers found markets to buy cotton goods at cheap rate. United States of America gets support of Chinese territorial and administrative integrity.
Economic growth of China increased gradually, as they trade with many nations.