Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Passage: Tarihin Standard Oil ya fara ne a 1863 a matsayin haɗin gwiwar Ohio da masana'antun John D. Rockefeller, ɗan'uwansa William Rockefeller, Henry Flagler, masanin sunadarai Samuel Andrews, abokin haɗin gwiwar Stephen V. Harkness, da Oliver Burr Jennings, wanda ya auri 'yar'uwar matar William Rockefeller. A 1870, Rockefeller ya soke haɗin gwiwa kuma ya haɗa Standard Oil a Ohio. Daga cikin hannun jari 10,000 na farko, John D. Rockefeller ya karbi 2,667; Harkness ya karbi 1,334; William Rockefeller, Flagler, da Andrews sun karbi 1,333 kowannensu; Jennings ya karbi 1,000, kuma kamfanin Rockefeller, Andrews & Flagler ya karbi 1,000. Rockefeller ya zaɓi sunan "Standard Oil" a matsayin alama ce ta amintaccen "ka'idoji" na inganci da sabis wanda ya hango ga masana'antar mai mai tasowa.  Tambaya: Yaya aka fara Standard Oil?
a matsayin haɗin gwiwar Ohio