<prompt> Translate the following text to SwahiliMadrids most important remaining possessions were the island colonies of Cuba and Puerto Rico, both of which were chafing under the yoke of colonial rule and the bitter system of slavery.  <response>: Madri alikuwa na mali kubwa zaidi katika visiwa vya Cuba na Puerto Riko, ambavyo vilikuwa vikikabiliwa na utawala wa kikoloni na utumwa. 