Small heads of Portuguese sailors.
The ivory plaques mask is believed to been produced in early sixteenth century for King or the ObaEsigie which is the king of the Benin in order to honor his mother named, Idia. Oba have worn it at the rites commemorating his mother.
The plaques show aspects of the Benin court life in the sixteenth century, shortly after the Europe's first contact with the West Africa. The small heads show how people of the Benin perceived Portuguese traders as well as their soldiers, with pointed noses and also thin faces and the beards and the strange clothes. This indicates that the pendant mask associated with Europe.
answer; the correct answer is (ethics);
as university of miami psychologists debra lieberman and adam smith pointed out in a recent article in the journal current directions in psychological science, humans have social and psychological mechanisms to deter incest. with very few exceptions, marriages between brothers and sisters and between parents and their children are verboten in every human culture. the primary psychological anti-incest mechanism is the yuck response. even the idea of sex with their mom or dad, bro or sis is upsetting to most people. the psychologist jonathan haidt has found that nearly everyone is repelled by the prospect of brother-sister sex, even in hypothetical situations in which there is no chance of pregnancy).
the biological cost of incest
this raises an interesting question: just what’s so bad about incest? sure, having sex with your dad or your sister seems gross — but why? some anthropologists have argued that incest taboos are learned social conventions. this explanation, however, doesn’t make sense to me as it does not explain the widespread existence of anti-incest mechanisms in creatures ranging from cockroaches to chimpanzees. second, the incest taboo is about as close to a universal law as human moral rules get.
why should mechanisms to avoid incest be so widespread both in nature and across human societies? the answer is simple. the problem with having sex close with relatives is that there is an astonishingly high chance that your offspring will be born with a serious birth defect.