Nyorai kupfuurira kweiyi ndima - Muna October 1983, Thurmond akataura kutsigira kwake kupinda kweUnited States muGrenada
, vachiti kuedza kweAmerica nedzimwe nyika kwaive "kupa mukana wevagari veGrenada kuti vatorezve kutonga pamusoro pehupenyu hwavo" uye US yaizomanikidzwa kuona mazana emakore ekufambira mberi achiparara kana nyika isingadi kuzvipira. Thurmond akaramba chisarudzo cheSeneti chaitaura kuti mauto eAmerica aiva muGrenada aizo"bviswa papera mazuva 60 kutoti Congress ikabvumira kuti arambe aripo". Purezidhendi Reagan akatumira Thurmond tsamba yaiva nomushumo unowirirana neWar Powers Resolution. Thurmond akati "hurumende inotonga muGrenada" yakanga ichityisidzira zvakananga upenyu hwevanhu vokuAmerica.