Although the median income of American families stagnated from 1970s to 1990,the reason it didn't decline was

Question

Quizplus · Accepted Answer

The reason for the median income of American families not declining despite stagnation from the 1970s to 1990 was that wives' wages maintained the family income. This implies that even though the primary breadwinner's wages did not increase, wives started to work and contribute to the family's income, which prevented a decline in the median income. The other options may have played a role but were not the primary reason.

Although the Median Income of American Families Stagnated from 1970s