migrant(s) – n. a person who goes from one place to another especially to find work

civilization – n. a particular well-organized and developed society

Iron Curtain – n. the political and military barrier in the past that separated the communist countries of Europe from the rest of Europe

characterize – v. to describe the character or special qualities of (someone or something)

unbearable – adj. too bad, harsh, or extreme to be accepted or endured; not bearable

time bomb – n. a bomb that is set to explode at a particular moment

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