Answer:
c. restructuring and openness.
Explanation:
Perestroika means "restructuring" in Russian. The goal of this policy was precisely to restructure the lagging economy of the Soviet Union by including some market reforms to the planned economy.
Glasnot means "openness" in Russian. The goal of this policy was to open the government to criticism, and increase the transparency of the state. This policy was specifically inspired by the government disaster that represented the Chernobyl Nuclear Power Plant explosion in 1986.
