Which of the following countries was part of the eastern bloc after world war
ii?

Eastern Bloc was the name that the NATO and the Western Europe used to call the Eastern European nations that was occupied and subsequently fell under the Soviet Union's hegemony.

However,  the term Eastern Bloc was used to collectively call any Communist nation afterwards. But when the term Eastern bloc is used, it mainly meant the Eastern European nations.

Since you have not given any options, following are the Eastern European nations that were under the communist influence after the world war 2.

East Germany, Poland, Czechoslovakia, Hungary, Romania, Bulgaria, Yugoslavia and Albania

The Eastern bloc slowly disintegrated with fall of the communism in Easter Europe and eventually came to an end when the Soviet Union collapsed in 1991.

Explanation:

Following are some of the other communist countries from that era in other continents.

Mongolian People's Republic, the Socialist Republic of Vietnam, the Lao People's Democratic Republic and the People's Republic of Kampuchea, the Democratic People's Republic of Korea, and the People's Republic of China

Republic of Cuba

this is true hope this

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i would need the graph to answer the question