<prompt> Translate the following text to EnglishMnamo mwaka 1807 Bunge la Uingereza lilipiga marufuku biashara ya watumwa, lakini kundi lenye nguvu la wakulima wa sukari lilifanya shinikizo na utumwa ukaendelea katika mashamba hayo.  <response>: In 1807 Parliament made the trade in slaves illegal, but the powerful sugar lobby exerted pressure and slavery continued on the plantations. 