<prompt> unaweza kugeuza matini haya ya swahilikwa kiingereza?waingereza walifikia makubaliano na sultani mwaka 1822 ili kukomesha biashara ya utumwa, lakini ilichukua zaidi ya miaka 50 hadi utumwa kutokomezwa.  <response>: the british reached opfions agreement with the sultan in 1822 to end the slave trade, but it was more than 50 years until it finally came to an end. 