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Ausländische Arbeitnehmerinnen und Arbeitnehmer, die in den 50er und 60er Jahren von der Bundesrepublik Deutschland angeworben wurden, nannte man …
Foreign workers who were recruited by the Federal Republic of Germany in the 1950s and 1960s were called ...
Explanation
The correct answer is "Gastarbeiterinnen/Gastarbeiter." because it matches the German civic, legal, historical, or institutional fact asked in this question, specifically the topic of Begriff Gastarbeiter. The other options do not fit the question correctly.
