Using this picture, how did these developments after World War II impact American cities? A) More people began to move into the cities to avoid living in suburban developments. B) Lower class families left to move into the suburbs leaving mainly wealthy people to live in inner cities. Many families were able to own their home in the suburbs, leaving the inner cities to people unable to afford their own homes. D) African-Americans and other minorities moved to the suburbs to buy houses in the suburbs, creating mainly white inner city communities.