<prompt> Translate the following text to SwahiliUnity among them and the east coast communities trading with the Thais, Indochinese, and Chinese came from their shared rice economy, language, Islamic culture, and political and social customs inherited from the Melaka sultanate.  <response>: Umoja kati yao na jamii za pwani ya mashariki zinazofanya biashara na Thai, Indochinese, na Wachina ulitokana na uchumi wao wa mchele, lugha, utamaduni wa Kiislamu, na desturi za kisiasa na kijamii zilizorithiwa kutoka kwa sultanate ya Melaka. 