<prompt> Translate the following text to EnglishTangu katikati ya karne ya 19 hadi sasa, huduma ya utoaji wa bidhaa za nyumbani nchini Marekani imekuwa ikiendeshwa kwa ukawaida.  <response>: 1 It was not until the mid-nineteenth century that city delivery began on a regular basis in the U.S. 