premise: Slavery for the purpose of sex is a reason for human trafficking.
hypothesis: Human trafficking is the trade of humans , most commonly for the purpose of forced labour , sexual slavery , or commercial sexual exploitation for the trafficker or others . Human trafficking is the trade in people , especially women and children , and does not necessarily involve the movement of the person from one place to another . Of these , 14.2 million ( 68 % ) were exploited for labor , 4.5 million ( 22 % ) were sexually exploited , and 2.2 million ( 10 % ) were exploited in state-imposed forced labor . Slavery . The most common form of the slave trade is now commonly referred to as human trafficking . In other areas , slavery ( or unfree labour ) continues through practices such as debt bondage , serfdom , domestic servants kept in captivity , certain adoptions in which children are forced to work as slaves , child soldiers , and forced marriage .