Answer:
During the Soviet era, the Russian Soviet Federated Socialist Republic (the R.S.F.S.R.) was subject to a series of Soviet constitutions (1918, 1924, 1936, 1977), under which it nominally was a sovereign socialist state within (after 1936) a federal structure. Until the late 1980s, however, the government was dominated at all levels by the Communist Party.
The Parthian empire was a major Iranian political and cultural power in ancient Iran and Iraq. They were able to conquer civilizations like the Seleucid as they were able to seize Media and Mesopotamia from the Seleucid making them lose control of their eastern land and it was replaced by the Romans.
Answer:
One could relate the Japanese internment camps to the Nazi Concentration Camps all over Europe. Though the Concentration camps were worse, a good amount of Japanese died in the internment camps. You can also relate them to Gulags, which were the Soviet versions of forced labor camps for POWs.