Goods and services must be produced and provided and, for people to survive, there must be some form of justice system, a political system and some family structure, which must work to provide a reason to have children and maintain daily social life. In the structural-functional model, individuals perform these tasks in different institutions and roles consistent with the structures and norms of society. Because shared values ​​and norms, family structures and means to achieve ends are useful for the functioning of society (Kalu,