<prompt> Translate the following text to SwahiliBefore his death in 1775 he had brought under one rule all the territory from the Mahakali River in the west to Sikkim and Darjeeling in the east.  <response>: Kabla ya kifo chake mwaka 1775 alikuwa ameweka chini ya utawala mmoja eneo lote kuanzia Mto Mahakali upande wa magharibi hadi Sikkim na Darjeeling upande wa mashariki. 