In the interior of the Iberian Peninsula, where Celtiberian, Cantabrian and Vasconian (Basque) cultures were well established. Constant military campaigns against the rebellious indigenous Iberians eventually pacified the Hispanic provinces, ending with the Augustan campaigns against the Cantabrians and Astures. The predominance of native Iberian culture diminished in the face of the cultural impact of Roman dominion, being assimilated and transformed gradually into the later Hispano-Roman culture.