<prompt> Translate the following text to SwahiliDuring its subsequent two and a half centuries of rule from the new capital established at Edo, the Tokugawa organized a tightly controlled coalition of some 260 daimyo in strategic strongholds throughout the country.  <response>: Katika karne mbili na nusu zilizofuata za utawala kutoka mji mkuu mpya ulioanzishwa huko Edo, Tokugawa waliandaa muungano ulioongozwa kwa ukali wa daimyo 260 katika ngome za kimkakati kotekote nchini. 