Final answer:
Racial segregation of residential neighborhoods has played a significant role in American history and resulted in the growth of segregated communities.
Step-by-step explanation:
Racial segregation of residential neighborhoods has played a significant role in American history. In both the North and South, neighborhoods were segregated through various means such as redlining, restrictive real estate covenants, and discriminatory lending practices. These practices limited where people of different races could live and resulted in the growth of segregated black communities and ethnic neighborhoods.