Laws and social policies have been affecting the family for hundreds of years. They can alter how families look or function either directly or indirectly. Laws and policies can be aimed directly at the family to engineer change, to mould them into a new scheme or to change the way they function (such as contraception). However, family life can also be changed by indirect policies where the family is altered but the policy wasn’t directed at the family but in another area that have affected the family but secondarily.
Marriage, an important part of family life, has been heavily affected by changes in law and social policies. In Britain you are basically free to marry