<prompt> Bhala okuqhubekayo kwalesi sigaba - Izinqubomgomo zakhe zahlonishwa ngokuvimbela izibhelu ezinkulu ePhiladelphia phakathi nehlobo lika-1967, kuyilapho amadolobha anesilinganiso esifanayo sabamnyama baseMelika, njengeDetroit neNewark  <response>: , abathintekayo. Ngonyaka olandelayo, iChicago, iBaltimore, neWashington, D.C. bonke babhekana nemibhikisho emikhulu ngo-Ephreli 1968 ngemuva kokubulawa kukaMartin Luther King, Jr., futhi ukuhlaziywa kwesikhathi sikaDrew Pearson kwanikeza udumo kumunye wamaphoyisa aqinile e-USA, uKhomishani uFrank Rizzo, kanye nebutho lakhe lamaphoyisa elihlanganiswe kahle lokuvimbela imibhikisho efanayo ePhiladelphia. 