 Nyorai mberi kweiyi ndima - Dumouriez akabva ashanyira Italy neCorsica, Spain nePortugal, uye zvinyorwa zvake kuDuke de Choiseul pamusoro peCorsican nyaya panguva yeCorsican Republic zvakatungamira mukushandirwazve pavashandi veFrance expeditionary corps yakatumirwa kuchitsuwa ichi, nokuda kwaakawana chinzvimbo chaLieutenant-colonel. Muna 1767 Choiseul akapa Dumouriez mutungamiri wemauto semutevedzeri mukuru wevarwi kuuto reCorsica pasi peMarquis de Chauvelin. Pashure peizvi, akava nhengo yeSecret du Roi, basa rakavanzika raiva pasi paLouis XV, iro rakapa mukana wakakwana unyanzvi hwake hwokukurukura nedzimwe nyika. Muna 1770 akaita basa muPoland kuConfederation of Bar, uko, kuwedzera kune bhizinesi rake rezvematongerwo enyika, akaronga mauto ePoland ehondo yeBar Confederation. Musi wa 23 May, varwi vake vokuPoland vakaparadzwa nemauto eRussia aGeneral Alexander Suvorov muhondo yeLanckorona. Kuwa kweChoiseul 1770 kwakaunza kuyeukwa kwaDumouriez. Muna 1772, paakadzokera kuParis, Dumouriez akatsvaka chinzvimbo chechiuto kubva kuna marquis de Monteynard, Secretary of State for War, uyo akamupa chinzvimbo chevashandi nehurumende yeLorraine kunyora mishumo yezvematongerwo enyika uye yechiuto. Muna 1773, akazviwana ava mujeri muBastille kwemwedzi mitanhatu, sezviri pachena nokuda kwokutsausa mari yairehwa nokuda kwokushandiswa kwavamiriri vezvakavanzika kuti abhadhare zvikwereti zvake. Mukati memwedzi mitanhatu yokutapwa kwake Dumouriez akazvibatikanisa amene nenhamburiko dzokunyora. Akabva aendeswa kuCaen, kwaakaramba akasungwa kusvikira Louis XVI ava mambo muna 1774. Dumouriez akabva adzorerwa kuParis uye akapiwa mabasa kuLille neBoulogne nacomte de Saint-Germain, gurukota ramambo idzva rehondo. 