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Answer:
OPEC has been gaining steady power and influencing the global oil market since the 1970s when OPEC had ~50% of market share in global crude oil production. High market share has also given OPEC the bargaining power to price oil above what prices would be in a more competitive market.
Explanation:
<span>1) The main thing about perestroika that you should know is that its major goal was to reconstruct the political and economic system which were established by the Communist Party, therefore all the changes that perestroika included are:
encouraged government transparency;
allowed multiple candidates to standfor elections in the country.
2) Glasnost is a policy that means 'openness'. More freedom for people, so that people could set up their own business without a threat of communist parties that would keep track of their success. People also became allowed to express their opinion towards everything, including government, therefore:
</span><span>limited the communist government’s
interference in business
allowed criticism of Soviet officials
lessened censorship</span>
