Evangelicals usually fail to challenge the system not just out of concern for evangelism, but also because they support the American system and enjoy its fruits. They share the Protestant work ethic, support laissez-faire economics, and sometimes fail to evaluate whether the social system is consistent with their Christianity.
Faith
Evangelicals come from all ethnic and racial backgrounds, but nearly 90 percent of Americans who call themselves evangelicals are white.
Part of the irony of religion’s role is that in strengthening micro bonds between individuals, religion contributes to within-group homogeneity, heightens isolation from different groups, and reduces the opportunity for the formation of macro bonds - bonds between groups - that serve to integrate a society.