Governments of the United States and the Chinese empire, Burlingame-Seward Treaty (1868)
“ The United States, always disclaiming and discouraging all practices of unnecessary dictation and intervention by one nation in the affairs or domestic administration of another, do hereby freely disclaim and disavow any intention or right to intervene in the domestic administration of China in regard to the construction of railroads, telegraphs or other material internal improvements. ”
