<prompt> Translate the following text to EnglishMatunda ya machungwa yalikuwa mazao makuu ya eneo hilo wakati nafaka na viwanda vya upepo vya karne ya 17 vya Cape San Antonio vilipoachwa.  <response>: Citrus fruit became the regions principal cash crop around the turn of the century when grain and the 17th-century windmills of Cape San Antonio were abandoned. 