Kammala wannan magana: A lokacin yakin Sino-Vietnam na shekarar 1979, shugaban kasar Sin Deng Xiaoping ya gaya wa Amurka cewa shirin da suke yi na yaki da 'yan Vietnam din shi ne ramuwar gayya ga' yan Vietnam
rushewar mulkin Khmer Rouge na Kambodiya, abokin kawancen China. Duk da haka 'yan kasar Sin sun yi jayayya cewa ainihin "casus belli" shi ne mummunar kula da Vietnam na' yan kabilar kasar Sin, da kuma zargin da Vietnam ke yi na kokarin karfafa Cambodia tare da goyon bayan Soviet.