 Complete the following phrase:  Both sides faced domestic pressures against closer relations. A conservative faction of Republicans led by Barry Goldwater and Ronald Reagan strongly opposed a rapprochement with China, while Lin Biao led a similar faction in the PRC. For the first two years of his presidency, Nixon and China each made subtle moves designed to lower tensions, including the removal of travel restrictions. The expansion of the Vietnam War into Laos and Cambodia hindered, but did not derail, the move towards normalization of relations. Due to a misunderstanding at the 