The growth of suburbs led to what two important developments? a. the growth of rural areas and cities b. the growth of malls and the growth of mass-produced apartments in cities c. the growth of malls and supermarkets d. the growth of cities and the birth of the "car culture"

The correct answer is option C. "The growth of malls and supermarkets".

Explanation:

According to the book "The 1950s" by William H Young and Nancy K Young, urban downtowns were the traditional place to get groceries. As suburbs started to growth, more people living in places faraway from downtown. Therefore, malls and supermarkets were created in order to supply the demand for groceries in the suburbs.