<prompt> Translate the following text to EnglishWakati huo, Sultanate ya Delhi chini ya nasaba ya Tughlaq haikuweza tena kushikilia nguvu zake kaskazini, na hivyo ufalme wa Kiislamu ulianza kuundwa huko Bengal na Deccan.  <response>: The Delhi sultanate under the Tughlaq dynasty could no longer hold its own in the north, and so Muslim kingdoms began to form in Bengal and the Deccan. 