What changes did Gorbachev introduce in the Soviet Union?

Gorbachev brought perestroika to the Soviet Union's foreign economic sector with measures that Soviet economists considered bold at that time. His program virtually eliminated the monopoly that the Ministry of Foreign Trade had once held on most trade operations.

Explanation:

Gorbachev brought Perestroika to the Soviet Union's foreign economic sector. He cultivated friendlier relations with non communist states. He worked with the U.S president at the time, Ronald Reagan to lessen the political and military tension between the US and Soviet Union.

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with my knoladg i would say it was c

the answer is b. osage.