<prompt> Ngwala go tšwela pele bakeng sa serapa se - Matthew Derbyshire Mann July 12, 1845 March 2, 1921 e be e le ngaka ya malwetši a basadi ya mo-Amerika le yo mongwe wa dingaka tša go bua tšeo di ilego tša bua Mopresidente William McKinley ka morago ga ge a thuntšhitšwe  <response>: ka mabaka a Pan American Exposition ka September 6, 1901, kua Buffalo, New York, ka mo-anarchist Leon F. Czolgosz. 