Answer;
C) income inequality
The transition to a global economy has increased income inequality within the United States.
Step-by-step explanation;
-The transition to a global economy has increased the value on human capital for individual and collective economic security.
-Income inequality refers to the extent to which income is distributed in an uneven manner among a population. In the United States, income inequality, or the gap between the rich and everyone else, has been growing markedly, by every major statistical measure, for some 30 years.