If China were to prevent Japan 's elevation , it would be the most direct confrontation between Asia 's leading powers since they re-established diplomatic ties in 1972 .
Asia /location/location/contains Japan
Asia /location/location/contains China
IN NNP VBD TO VB NNP POS NN , PRP MD VB DT RBS JJ NN IN NNP POS VBG NNS IN PRP VBD JJ NNS IN CD .
Asia
LOCATION
Japan
LOCATION
/location/location/contains
Asia
LOCATION
China
LOCATION
/location/location/contains