Why did some fear the hollowing out of the American middle class, while Americans simultaneously lost some of their belief that coming generations would always rise?

Question

Quizplus · Accepted Answer

Studies have shown that social mobility in the United States has fallen behind that of many other developed countries, such as West Europe and Canada. This means that it has become harder for individuals to move up the economic ladder and into the middle-class, leading to fears of a hollowing out of the middle-class. Additionally, the loss of belief in intergenerational upward mobility may be a result of this trend showing no signs of improving.

Why Did Some Fear the Hollowing Out of the American