Answer:
Macedonia
Explanation:
Belarus and Kazakhstan were parts of the USSR, and Moldova became a part of the Soviet Union in 1940.
Macedonia, on the other hand, was not a part of the Soviet Union and is in the Balkans. It was a part of the Kingdom of Yugoslavia, later the Socialist Federative Republic of Yugoslavia and after the collapse of the SFRY, it became a nation.
The correct answer is (c)
The answer is Neruda, Pablo. "We Are Many." <em>We Are Many</em>, translated by Alastair Reid, Cape Goliard Press Ltd., pp. 12-13. Trust me I took the test.
In the light of your question I think it was a Russian success and the US is yet to achieve such achievements. During that time when the Cold War is in the climax between the two superpowers both competed not only in arms race but technological advances trying to outwit each other. The Russians gain the upper hand because they were able to make the things stated above before the United States but in the end the US was able to make also such things in their own ways and successfully outwitting the USSR in economy and world power.