sentences:  Many other countries in Eastern Europe fell under dictatorships, experienced prolonged instability or fell under the control of extreme Left or Right wing parties.Through the entire inter-war period in Czechoslovakia, the Left never dominated a cabinet, the Communists never participated in a government and the coalition in power was never faced with an organised opposition bloc of opponent parties capable of assuming office itself.The existence of the Petka enabled Czechoslovakia to be described as being "internally stable and externally respected".