It weakened the Soviet economy, affecting the Soviet Union's ability to support military commitments around the world.
Option: (A)
Explanation:
Perestroika was a 'political movement' for the reformation of the 'Soviet political' and 'economic system'. The meaning of perestroika is “restructuring”. It is considered as a significant cause of the revolutions of 1989 and dissolution of Soviet Union. Main goal of 'Perestroika Movement' was to make 'socialism' work efficiently. Implementation of perestroika caused shortages and tensions within the 'Soviet Union'. Because of perestroika movement government lost control over economic situation which caused Soviet Union to lose power and finally dissolution.