Passage 2Empowering workers constitutes the first step toward a stronger economy and stronger citizenry. It is a vital step toward overcoming inequality in American society. During the 1980s, the need for better wages for all workers increased as women, traditionally secondary earners, assumed greater responsibility for their own and their children’s well-being. Yet the ability to raise families to a decent living standard through wage work decreased; real wages fell for most workers. And the Federal Government enacted, no new policies to facilitate the integration of work and family, as working women and Working families suffered a loss in political power as well.Black or Hispanic women are four times as likely to be low-wage workers as are white men with comparable skills and experience. White women are more than three times as likely as white men to be low-wage workers, and black or Hispanic men more than one-and-a-half times as likely. More than half of ail low-wage workers are the only wage workers in their families, or live alone.Employment no longer provides an escape from poverty. More than eight million working adults are poor; two million of them work full-time, year-round. More than seven million poor children have at least one working parent. When that one working parent is a low-wage worker, the children have no better chance of escaping from poverty than if the parent were not working at all; more than two-fifths of such children are poor.Even if generous income assistance were available, file wages employers pay would be held to a minimum. In addition, policies such as tax credits for working parents do nothing to increase the political power of working women and men.Our research shows that unionization is among the most effective strategies for raising pay, especially for women and minority men. Being a union member, or being covered by a collective-bargaining agreement, raised 1984 wages by ＄1.79 per hour for Hispanic men, ＄1. 32 for black men, ＄1.26 for Hispanic women, ＄1.01 for black women, ＄0.68 for white women, and＄ 0.41 for white men, when all other factors, such as occupation, industry, firm size, education and experience were held constant. In percentage terms, the union increase was more than 15 percent for blacks and Hispanics, 11 percent for white women, and 4 percent for white men. What is the theme of the text（）

A. The causes of low-wage problems
B. The inequality of workers’ pay
C. The improvement of the rates of pay
D. The economy and the rates of pay