Perestroika under Soviet leader Mikhail Gorbachev´s rule was:
a. restructuring of the planned centralized economy,
Explanation:
It was an attempt to reform the socialist command economy in the 1980s, its lack of economic and entrepreneurial incentives, an attempt to stimulate innovation and overcome stagnation. It didn´t reach its goals and led to unrest in the Soviet Union.
Answer:Geographic featured that acted as norther borders of the Roman Empire at its height were: Rhine River, Danube River, Carpathian Mountains, and the Black Sea.
