Closely related practices found in some tribal societies are cannibalism and headhunting. The Dayak Iban ceased practising headhunting in the 1930s. Some Madurese bodies were decapitated in a ritual reminiscent of the Dayak headhunting tradition. Headhunting was a common practice among Taiwanese aborigines. Japanese settlers were choice victims of headhunting raids by Taiwanese Mountain Aborigines. There were intra-tribal and intertribal headhunting. Internecine feuds, wars and headhunting campaigns were common among the Naga tribes. The Japanese banned the practice of tattooing in 1930 because of its association with headhunting. Brooke pacified the natives, including the Dayaks, and suppressed headhunting and piracy. Weaving is the women's warpath while (headhunting) is the men's warpath. Tribal traditions, such as Yi slaveholding and Wa headhunting, have since been abolished. The practices of slavery, piracy and headhunting were suppressed but not entirely extinguished. Until the 1970s, the Wa practiced headhunting. It has also been practiced along with headhunting and scalping to display war trophies. The mission campaigned against the destructive practices of headhunting and promiscuity among the Marind-anim.