The concept of 'perestroika' and 'glasnost' was introduced by which Soviet leader?

Quiz Options

• Leonid Brezhnev
• Nikita Khrushchev
• Mikhail Gorbachev
• Joseph Stalin

Explanation

Mikhail Gorbachev introduced 'perestroika' (restructuring) and 'glasnost' (openness) in the Soviet Union in the mid-1980s, aiming for reforms.