Over the past 60 years, as people moved from U.S. cities to suburbs, the people that were left behind in the cities were primarily

Over the past 60 years, as people moved from U.S. cities to suburbs, the people that were left behind in the cities were primarily

1. A) older, poor people representing ethnic minorities.
2. B) younger, wealthy people representing ethnic minorities. C) older and wealthy Caucasians.
3. D) younger Caucasians.