 Báez akabva atsigira pfungwa yokuti Dominican Republic itongwe neSpain. Akaenda kunhapwa kuSpain uye akararama upenyu hwomutambarakede ikoko. VaSpanish vakabvuma kutora Dominican Republic muna 1861, asi muna 1865 vakanga vaisiya ona Dominican Restoration WarChiGerman. Báez akabva adzokera kuDominican Republic uye akavazve purezidhendi kusvikira abviswa pachigaro neimwe mhirizhonga muna May 1866. Ipapo akashanda nguva yake refu zvikurusa somutungamiriri wenyika, kubva muna 1868 kusvikira muna 1874, panguva iyo akaedzazve kuti United States iite kuti Dominican Republic ive yavo. Nguva ino akanga ava pedyo nokubudirira, sezvaakanyengetedza Mutungamiri weAmerica Ulysses S. Grant kuti atumire ngarava dzehondo kuDominican Republic, uye akagadzira chibvumirano chekubatanidza chakasvika muUnited States Senate floor. Chibvumirano chacho, zvisinei, hachina kubvumidzwa muSeneti yeU.S., sezvo kwakanga kune chishoro chakapararira chokupinza rudzi rune vagari vatema navakavhenganiswa vorudzi. Chibvumirano chacho chakava chinonyadzisa kuna Grant. 