Original sentence: In the 1980s there was a sharp rise in the number of homeless families in certain parts of the United States (notably New York City).Most homeless families consist of an unmarried mother and children.Some people claim the problem is due to inadequate social services such as public housing.Some studies suggest rent control and other housing regulations create homelessness by reducing the supply of housing.Substance abuse may be a cause as well - an estimated other third of America's homeless have substance abuse problems.Such a change occurred in the United States in the early 1980s, where it is now estimated that one-third of homeless persons have some form of mental illness.There are numerous possible causes of homelessness.Traditionally single men have constituted the overwhelming majority of the homeless
Edited sentence: In areas with high unemployment many may not be able to find jobs, and thus pay for a permanent residence.In other areas many homeless may be employed, but paid such a low wage that they cannot afford decent accommodation.Some studies suggest, paradoxically, that rent control and other housing regulations, laws created with the express intention of increasing housing affordability actually result in increased homelessness by reducing the supply of housing.There are a number of causes of homelessness