Who ordered caution at the Sino - Korean border ?
Contradictions:The annexation of Korea by Japan on August 21 , 1910 , made the Koreans actually Japanese nationals and , hence , would have altered the status of all Korean subjects who were residing in Manchuria at the time , entitling them , in the absence of other Sino - Japanese agreements to the contrary , to the protection and rights of extraterritoriality and consular jurisdiction .