Answer:
Explanation:In the suburbs, people from different backgrounds created communities. Middle-class Americans looked to national media for advice on matters (from celebrating Thanksgiving to raising Child 101).
By 1950s, America was becoming middle-class nation. Lines separating working class and middle class seemed less important b/c large # of blue-collar workers participated in suburban middle-class culture. Family's living standard mattered more than what sort of work made it possible. People of color were invisible in the participation. However, many middle-income African Americans, Latinos and Asian-Americans did participate in broad middle-class culture.
The answer to this question is 4. Industrialization caused urbanization and a population boom.
