sentences:  As an industrial city with General Motors as the largest producer, declining car sales with the availability of cheap labor in other cities led to reduction in the labor force of the city.The main reason of the property or land abandonment problem in Flint was the state's tax foreclosure system.Abandoned properties were either transferred to private speculators or became state-owned property through foreclosure, which encouraged low-end reuse of tax-reverted land due to the length of time between abandonment and reuse.