Dirt is a reason for human trafficking.
 In such cases, they are said to become dirty
== See also ==CleanerDirty Dick== References ==== Further reading ==Terence McLaughlin (1971), Dirt: a social history as seen through the uses and abuses of dirt, Stein and Day, ISBN 9780812814125Suellen Hoy (1996), Chasing Dirt: The American Pursuit of Cleanliness, Oxford University Press, ISBN 9780195111286Pamela Janet Wood (2005), Dirt: filth and decay in a new world arcadia, Auckland University Press, ISBN 9781869403485Ben Campkin, Rosie Cox (2007), Dirt: new geographies of cleanliness and contamination, I

