Partly the distrust was due to Stalin's personal paranoia.Stalin trusted no one. The one and only person he ever broughthimself to trust was Adolph Hitler, when they were partners incrime, each merrily invading his neighbors between 1939 and 1941.And then his buddy Hitler stabbed him in the back and invadedRussia.There was a more concrete reason for the distrust though. Boththe US, and to a greater extent the UK had sent military forces toRussia just after WWI ended, to try to help the "White Russians"beat the Reds, the communists, of whom Stalin was one, and whonevertheless held on and eventually were able to consolidate theircontrol over Russia. So the US and the UK were unsuccessful instrangling the communist revolution in Russia in the crib. But theyhad continued to be vocal in denounc