N'ọnwa March n'afọ 1989, e nwere akwụkwọ iwu nke na-ekwe ka a gwuo ala n'ebe ahụ a na-egwu mmanụ, bụ́ nke "na-aga n'ihu n'ụlọomeiwu ndị Senate, a na-atụkwa anya na a ga-eme ya ntụli aka" mgbe mmanụ Exxon Valdez wụsara n'ala.
na-egbu oge na n'ikpeazụ derailed usoro.