<prompt> Translate the following text to EnglishKatika njia za utafiti wa kesi, kuelewa nini kilichotokea na kwa nini, muktadha daima ni kuchukuliwa, na ni kuzingatia hii kwamba anatoa utafiti wa kesi nguvu yake kama njia ya kuelewa sababu na athari.  <response>: In case study methods, to understand what happened and why, context always is considered, and it is this consideration that gives the case study its strength as a way of understanding cause and effect. 