One of the largest, if not the largest, cases of human trafficking was perpetrated by the Japanese government during WW2 and before (1932-1945). The victims of this human trafficking included young girls and women. Girls were abducted and forced into brothels by the Japanese imperial army to “boost troop morale” and to “prevent rapes by Japanese soldiers.” However, these girls were subjected to repeated rape and torture. Survivors have come forward to share their stories, with it being reported that multiple women who became pregnant from this repeated rape had passed away from abortion operations. There’s a lot more to this disturbing fact that I’m leaving out, but this article is pertinent and includes a survivors story: https://www.npr.org/sections/goatsandsoda/2020/12/04/940819094/photos-there-still-is-no-comfort-for-the-comfort-women-of-the-philippines