As the city of Detroit faced climbing economic difficulties in the early to mid-2000s, public support for the busing system waned. In Detroit, a city that covers a large amount of geographic space, the buses are used primarily by inner city racial and ethnic minorities. The lack of white support for the busing system during this time is an example of what sociologists call: a. The Busing Divide b. The Urban Sprawl Effect c. The Putnam Effect d. The Florida Effect