During the Last Two Decades of the Twentieth Century

During the last two decades of the twentieth century

A) the poor and the middle class became worse off, while the rich became significantly richer.
B) there was a significant rise in real income among working-class Americans.
C) Americans saved more and invested less.
D) America entered a profound recession, the likes of which had not been seen since the 1930s.
E) job growth for Americans increased at an unprecedented rate.