<prompt> Qedela umusho olandelayo: Ngo-1853, uDu Pont wenziwa umqondisi-jikelele walokho okuvame ukubhekwa njenge-First Worlds Fair e-United States  <response>: Umbukiso Wezimboni Zazo Zonke Izizwe, owawuseNew York City. Naphezu kokudunyiswa ngamazwe ngamazwe, ukungabi bikho kwabantu abaningi kwabangela ukuba ibhizinisi likhokhe izikweletu ezinkulu, futhi uDu Pont washiya phansi. 