<prompt> Translate the following text to SwahiliViewed from hindsight, Solidarity was critical in establishing the foundations for opposition to Communist rule across Central and Eastern Europe.  <response>: Kwa mtazamo wa nyuma, Solidarity ilikuwa muhimu katika kuanzisha misingi ya upinzani kwa utawala wa Kikomunisti katika Ulaya ya Kati na Mashariki. 