 Nyora kupfuurira kweiyi ndima - Muna 1989 Gravel akapindazve mune zvematongerwe enyika. Akavamba ndokutungamirira The Democracy Foundation, iyo inosimudzira demokrasi yakananga. Iye akatanga sangano rePhiladelphia II, iro rinotsvaka kudzokorora kokutanga 1787 Constitutional ConventionGravel akatungamirira nhamburiko dzokuwana United States Constitutional amendment kubvumira vhoti-inotanga mutemo wehurumende wakafanana nemitemo yevhoti yehurumende. Akataura kuti vanhu vokuAmerica vanokwanisa kuita mitemo zvine mutsigo, uye kuti Mutemo neChirongwa cheNational Initiative zvaizobvumira vagari vomuAmerica kuva vagadziri vemitemo. Zvisinei, nhamburiko dzakadaro dzakasangana nokubudirira kuduku. 