Use the quotation and your knowledge of social studies to answer the following question. “as the free world grows stronger, more united, more attractive to men on both sides of the iron curtain—and as the soviet hopes for easy expansion are blocked—then there will have to come a time of change in the soviet world. nobody can say for sure when that is going to be, or exactly how it will come about, whether by revolution, or trouble in the satellite states, or by a change inside the kremlin.” —harry s. truman’s farewell address. why did president truman believe that political change would come to the soviet union?