Which fact provides the best evidence to support the conclusion that richard nixon's visit to the people's republic of china in 1972 was his most important foreign policy initiative? a) nixon's visit to china set in motion a series of peace negotiations that would eventually result in the american victory in the vietnam war. b) nixon's visit to china was a major cause of declining public opinion about his presidency and it set in motion the end of his political career. c) nixon's visit resulted in a significant shift in the cold war balance of power, pitting the people's republic of china with the u. s. against the soviet union. d) during nixon's visit to china, americans received their first glimpse into chinese life through the cameras which accompanied pat nixon, who toured the city of beijing and visited communes, schools, factories, and hospitals.