Final answer:
The Warsaw Pact nations in 1955 were East Germany, Poland, Czechoslovakia, Hungary, Romania, and Bulgaria.
Explanation:
The nations that belonged to the Warsaw Pact in 1955 were:
- East Germany (entry in 1956)
- Poland
- Czechoslovakia
- Hungary
- Romania
- Bulgaria
The Warsaw Pact was a military alliance between the Soviet Union and these communist nations of Eastern Europe from 1955 to 1991.
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