land ▁China . ▁The ▁Soviet ▁Union ▁minister ▁of ▁foreign ▁affairs ▁in ▁a ▁statement ▁called ▁the ▁treat y ▁a ▁“ ru de ▁viol ation ▁of ▁international ▁agre ements , ▁so vere ig nt y , ▁and ▁the ▁territorial ▁integrity ▁of ▁the ▁P RC .” ▁ ▁All ▁contact ▁between ▁the ▁USS R ▁and ▁the ▁Republic ▁of ▁China ▁defined ▁by ▁the ▁S ino - S ov iet ▁Tre aty ▁of ▁Friend ship ▁and ▁Alliance ▁of ▁ 1 9 4 5 ▁was ▁broken ▁off . ▁The ▁announ cement ▁of ▁the ▁break up ▁was ▁made ▁on ▁October ▁ 3 , ▁ 1 9 4 9 ▁after ▁the ▁Soviet ▁Union ▁became ▁the ▁first ▁country ▁to ▁recognize ▁the ▁P RC ▁in ▁October . ▁ ▁Although ▁there ▁have ▁been ▁some ▁weak ▁t endencies ▁towards ▁change ▁in ▁the ▁status ▁qu o ▁since ▁the ▁late ▁ 1 9 5 0 s , ▁up ▁to ▁this ▁day , ▁the ▁Russian ▁Federation ▁has ▁had ▁no ▁official ▁relations ▁with ▁Taiwan . ▁It ▁is ▁worth ▁mention ing ▁that ▁the ▁USS R ▁had ▁always ▁ad her ed ▁to ▁the ▁policy ▁of ▁“ one ▁China ” ▁but ▁ins isted ▁on ▁a ▁political ▁solution ▁to ▁deal ▁with ▁the ▁crisis , ▁unlike ▁some ▁Be ij ing ▁leaders ▁who ▁were ▁considering ▁military ▁action ▁in ▁ 1 9 5 4 ▁and ▁ 1 9 5 8 . ▁Poss ibly , ▁it ▁was ▁one ▁of ▁the ▁reasons ▁for ▁the ▁cool ing ▁of ▁S ino ▁Soviet ▁relations ▁at ▁the ▁end ▁of ▁the ▁ 1 9 5 0 s . ▁When ▁in ▁September ▁ 1 9