<prompt> Translate the following text to EnglishWakati wa utawala wa shogun wa Tokugawa, mifereji hiyo ilitumiwa kubeba mchele na nafaka kwa mashua ili kuipeleka kwenye masoko makubwa ya Osaka na Edo.  <response>: In the era of the Tokugawa shoguns, the canals were used to carry rice and grain in barges for onward shipment to the great markets of Osaka and Edo. 