SincePresidentNixonvisitedChinain1972,theicehasbrokeninChina-U.S.relations.In1979,thetwocountriesnormalizedbilateralrelationsbyestablishingdiplomaticrelations.Overthepastthreedecades,bilateralrelationshaveexperiencedcomplicatedandconvolutedchange.Today,China-U.S.relationsareentering