Wladyslaw Gomulka – Communist leader imprisoned under Stalin. Released in 1954, he rose to power after demonstrations and became the new leader of Poland. Since he was a genuine communist, supported the Warsaw Pact, and cooperated with Moscow he would rule Poland even after halting collectivization. He increased overall autonomy.Imre Nagy – Head of the Hungarian Communist Party. He wanted Russiantroops out of Hungary and to withdraw from Warsaw. He was put down by Soviet troops as he was too radical.Janos Kadar – New Premier input byKhrushchev after Nagy was thrown out. He was easily put in as Soviet brutality was masked by the Suez Crisis.Sputnik/NASA – Part of the space race. The Soviets beat US into space with Sputnik and it looked like they were surpassing the US technologically.U-2 Incident – A US spy plane was shot down in USSR. The American president was going to visit, but after this incident, relations soured even more and the trip was canceled.