<prompt> Qedela le nkulumo elandelayo: Ngo - 1969 kwachitheka uwoyela eSanta Barbara eSanta Barbara Channel, eduze kwedolobha laseSanta Barbara eNingizimu California. Ngaleso sikhathi kwakuwukuchitheka kukawoyela okukhulu kunakho konke emanzini ase-United States, futhi manje kungokwesi-3 ngemva kwe-Deepwater Horizon yango-2010 no-1989  <response>: Ukuchitheka kwe-Exxon Valdez. Kusalokhu kuwukusakazeka kukawoyela okukhulu kunakho konke okwake kwenzeka emanzini aseCalifornia. Ukuthukuthela komphakathi okubangelwe ukuchitheka, okwathola ukunakwa okuvelele kwabezindaba e-United States, kwaholela emithethweni eminingi yezemvelo eminyakeni eminingana eyalandela, umthetho owakha uhlaka lwezomthetho nolulawulayo lwenhlangano yesimanje yezemvelo e-U.S. 