id	keyword
bcpe-2611	china
bcpe-2611	nixon
bcpe-2611	soviet
bcpe-2611	diplomacy
bcpe-2611	rapprochement
bcpe-2611	world
bcpe-2611	union
bcpe-2611	mao
bcpe-2611	relations
bcpe-2611	kissinger
bcpe-2611	realpolitik
bcpe-2611	zhou