The wage gap between women and men in the United States, Sociology Question help

The wage gap between women and men in the United States is not closing, and the added dimension of race with the prisms of difference can further impact these gaps. Why?

Conduct research using academically approved sources in order to describe and explain these groups’ experiences of social class. Data to analyze include educational achievement, income, health statistics, family dynamics, and economic security. Understand also that the wage gap can often be attributed to higher paid positions (like CEOs) being occupied by more men than women, or more whites than people of color.