From the given sentence, extract the phrase (often noun or verb) that carries the given relationship. The generated phrase should be present in the sentence.
Q: Given Relationship: 'retreat to', Sentence: 'After the Kuomintang retreat to Taiwan in 1949 , the Republic of China had maintained official diplomatic relations with most states around the world , but by the 1970s , there was a shift in the international diplomatic circles and the People 's Republic of China gained the upper hand in international diplomatic relations and recognition count .'
A:
retreat