Protection in families is immensely important due to the fact that this role is vital in terms of socialization, sustainable development and establishment of emotional bonds.
The correct answer is B) human children cannot care for themselves at birth. As we know nowadays, without an established and stable family environment we are prone to develop mental illnesesses, insecurities and estatistically is harder to succeed later in life.
It is true that cultures arrange families different around the world.
It is true that individuals may feel more comfortable ending a marriage today than in the past because of greater social acceptance as shown in the latest demographic report by PMC titled Attitudes on marriage and new relationships: Cross-national evidence on the deinstitutionalization of marriage.