<prompt> Translate the following text to EnglishTangu 1991 wakati wa kusitisha mapigano, wakaguzi wa Umoja wa Mataifa wamepunguza silaha za nyuklia, kemikali na za kibiolojia za Saddam, wakitumia ukaguzi wa random na kamera za ufuatiliaji kufanya kazi yao.  <response>: Since the 1991 cease-fire, U.N. inspectors have largely disarmed Saddams nuclear, chemical, and biological arsenal, using random inspections and surveillance cameras to do their work. 