which of the following series of events describe the economic history of the soviet union in chronological order after stalin's death?
1. Khrushchev's policies of de-Stalinization and agricultural reforms lead to economic instability and a decline in industrial production.
2. Brezhnev launches a period of economic stagnation characterized by low productivity, inefficient central planning, and a lack of innovation.
3. Gorbachev introduces perestroika and glasnost to reform the Soviet economy, but his policies result in further economic turmoil and eventually the collapse of the Soviet Union.