<prompt> Translate the following text to SwahiliAt first they suspected rival slave traders or mercenaries hired by the other cities to corner the market on the trade, but all the traders were being killed one caravan at a time.  <response>: Mwanzoni waliwafikiria kuwa wafanyabiashara wa watumwa au askari waliokodishwa na miji mingine ili kuendesha biashara hiyo, lakini wafanyabiashara wote waliuawa, msafara mmoja baada ya mwingine. 