After providing troops with cash, food, and housing, plying them with easy access to commercial sex has been one of the most popular strategies. That troops generally have had to pay for this readily available sex has only benefited militaries further: as working-class men burn through their pay (and, not infrequently, go into debt), their dependence on a military salary helps keep them enlisted.

David Vine, Base Nation_ How U.S. Milit…, loc. 545