<prompt> Translate the following text to SwahiliThroughout this period, the east coast states enjoyed a relatively tranquil prosperity, Terengganu notably thriving from its textile industry and trading in pepper and gold with the Thais, Cambodians, and Chinese.  <response>: Katika kipindi hicho, majimbo ya pwani ya mashariki yalifurahia ufanisi wa utulivu, Terengganu hasa ikifanikiwa kutokana na viwanda vyake vya nguo na biashara ya pilipili na dhahabu na Watai, Wakambodia, na Wachina. 