Ndiani akaratidzira basa ravo muAmerica oga? Tichifunga nezvemubvunzo wapfuura, nyora mashoko akapoteredza mhinduro yacho. Inogona kuva mitsara 1 - 20. Mashoko akapoteredza:
Muna 1893, George Westinghouse akakunda kukwikwidza kuti avheneke 1893 World's Columbian Exposition muChicago nemagetsi anochinjika, achirova kukwikwidza kweGeneral Electric nemadhora miriyoni imwe. Iyi World's Fair yakatsaurira chivako kuzviratidziro zvemagetsi. Chakanga chiri chiitiko chinokosha munhoroondo yesimba reAC, sezvo Westinghouse yakaratidza kuchengeteka, kuvimbika, uye kubudirira kwehurongwa hwakanyatsobatanidzwa hwemazuva ano hwemazuva ano kuvanhu veAmerica. PaColumbian Exposition, pasi pemureza waishambadza "Tesla Polyphase System", Tesla akaratidzira nhevedzano yemagetsi akaitwa kare muAmerica neEurope,:76 kusanganisira kushandisa yakakwira-voltage, yakakwira-frequency alternating current kuvhenekera mwenje isina waya yegasi-kuburitsa mwenje.:79 Mumwe mucherechedzi akati: