39 perspective is the belief that increased contact with the mainstream culture and greater social and economic mobility will lead to a les sening of discrimination toward immigrants and a more favorable assess ment of U.S. society. Portes et al. (I960) suggest that the assimilation perspective also incorporates the notion of bountiful economic opportu nities and reward in accord with individual effortmyths that promote social control. The conflict perspective finds that immigrants have not necessarily come to the U.S. in search for a better life, . their movement was often deliberately induced to fulfill labor needs in an expanding economy" (Portas et al., 1980, p. 203). Many imnigrants have difficulty moving from the peripheral labor force into the mainstream and thus their ex pectations may be in conflict with reality. More education, familiarity with the language, and mainstream culture do not necessarily enable or encourage the immigrant to become more integrated into mainstream society. Increased education and ability to speak the language sometimes provide immigrants with negative experiences and confirm the realities of discrimi nation, according to Portes et al. (1980). The difficulties of discrimi nation arise from several causes: the majority of recent immigrants come from Third World countries instead of Northern European countries as did previous cohorts of immigrants who were able to assimilate more readily than recent immigrants. The plentifulness of jobs requiring effort but little technical skill has changed; the labor market is demanding more skilled workers for all but the most menial tasks. Studying Cuban ac culturation, Portes et al. (1980) conclude that as immigrants become familiar with the host language and endorse its cultural values, they become more skeptical regarding their place within the economic and social order. The socialization process does not lead to integration