<prompt> Translate the following text to SwahiliThis is a pity, for his caustic tone and shallow glosses undermine what is a bold and worthy to write a readable one-volume history of the American people.  <response>: Hii ni bahati mbaya, kwa sababu sauti yake ya uchungu na glosses ya chini ya chini ya kile ambacho ni ujasiri na anastahili kuandika usomaji historia moja-mzunguko wa watu wa Marekani. 