I think it would probably be A. I looked it up and thats what it said
The answer is c it is a renewable energy
West Germany formally joined NATO on May 5, 1955, and the Warsaw Pact was signed less than two weeks later, on May 14. Joining the USSR in the alliance were Albania, Bulgaria, Czechoslovakia, the German Democratic Republic (East Germany), Hungary, Poland and Romania.
The company towns reinforced it by having special wages for people of different ethnicity or by racially profiling and segregating those that they didn't want to be equal with Caucasian workers. This caused an even bigger drift between people and distrust to arise.