Furthermore as they were largely employed in lowly paid plantation work, the Ovimbundu occupied the low end of the economic scale, being scorned by both the Bakongo and Mbundu as crude and subservient.  The animosity displayed by the other ethnic groups toward the Ovimbundu caused many of them to reject the two dominant nationalist groups, the FNLA and MPLA, during the liberation war, in favor of UNITA, an explicitly Ovimbundu-based organization. The continued fragmentation of its nationalist movements set Angola apart from other Portuguese colonies.  In Mozambique Julius Nyerere united the various factions under the banner of FRELIMO, and Amílcar Cabral convinced the assimilados of Cape Verde and the peasants of Guinea-Bissau to unite as PAIGC. 