Answer:
to make the Soviet Union more democratic.
Mikhail gorbachev instituted the policies of glasnost and perestroika to make the Soviet Union more democratic.
Mikhail gorbachev instituted the policy of glasnost which called for more openness with the nations of West, and a relaxing of restraints on Soviet citizenry. Gave them more freedom of speech, press, association, and religion.
The policy of perestroika aimed to grow the Soviet economy by opening it up to free market economy, private businesses, and less price control.