Coding of sexual behavior has historically been a feature of all human societies; as too has been the policing of breaches of its
moressexual immoralityby means of formal and
informal social control. Interdictions and
taboos among primitive societies were arguably no less severe than in traditional agrarian societies. In the latter, the degree of control might vary from time to time and region to region, being least in urban settlements; however, only the last three centuries of intense urbanisation, commercialisation and modernisation have broken with the restrictions of the pre-modern world, in favor of a successor society of fractured and competing sexual codes and subcultures, where sexual expression is integrated into the workings of the commercial world. Nevertheless, while the meaning of sexual immorality has been
drastically redefined in recent times, arguably the boundaries of what is acceptable remain publicly policed and as highly charged as ever, as the decades-long debates in the US over reproductive rights after
Roe v. Wade, or 21st-century
controversy over child images on Wikipedia and Amazon would tend to suggest. Defining sexual immorality across history is difficult as many different religions, cultures and societies have held contradictory views about sexuality. But there is an almost universal disdain for two sexual practices throughout history. These two behaviors include
infidelity within a
monogamous,
romantic relationship and
incest between immediate family members. Other than these two practices, some cultures throughout history have permitted sexual behaviors considered obscene by many cultures today, such as marriage between cousins,
polygyny,
underage sex,
rape during
war or forced
assimilation, and even
zoophilia. ==Modernity==