What a strangely inaccurate nitpick. China and the USSR were mortal enemies in the 70s, and the threat of Soviet invasion drove China and USA closer together an

What a strangely inaccurate nitpick. China and the USSR were mortal enemies in the 70s, and the threat of Soviet invasion drove China and USA closer together and led to Nixon's visit. Your comment implies that China was closer to the USSR than USA, which is flagrantly false for a significant part of the century.