<prompt> Translate the following text to SwahiliThe media were soon placed under state control, promised elections were never held, and Committees for the Defense of the Revolution CDRs were established to keep tabs on dissenters.  <response>: Vyombo vya habari viliwekwa chini ya udhibiti wa serikali, uchaguzi uliokuwa umehakikishwa haukufanyika, na Kamati za Ulinzi wa Mapinduzi CDRs zilianzishwa ili kuwafuatilia wapinzani. 