Laws To Regulate Sex and Marriage?

For example, 4 US states, Finland and Hungary allow Bestiality. In Pakistan, the punishment for Adultery could be death (even for rape survivors). This is merely to illustrate the breadth of such laws across the World.

Legality of bestiality by country or territory - WikiMili, The Best Wikipedia Reader

Adultery laws - Wikipedia

How broad should such laws be in D4, if at all present?