Which occurrence was a result of the shift in the number of births that began in 1946?
a. the decline of family farming
b. the spread of new diseases
c. the growth of the suburbs
d. the reduction of defense spending

the answer is: c. The growth of the suburbs

In general, people who live in suburbs typically have more stable income and lower working hours compared to the people who decided to live in the city.

This mean that parents who live in the suburbs tend to have more desire to have children and have more time to spent to take care of them. Because of this, the birthrate among people who live in suburbs typically higher compared to those who live in urban area.

the anwser is missions