1) The rules of social institutions are not enforceable by any political authority. They carry penalties for those who break them.
Even though .
2) descriptive and prescriptive laws to deal with various forms of people's behavior.
Both .
3) Customs need not be made by government, and they need not be written down.
As for as .
4) Laws made by nations are enforced against all citizens within their power, and everyone must abet them.
;it means that .
5) we learn how we should behave in the society though the instruction of our family and teachers, the advice of friends, and our own experience.
Thanks to .
6) If we continually break the rules, other members of the society may act violently toward us or refuse to have anything to do with us.
When .
7) Many informal rules have very little to do with laws, but they influence people's everyday lives.
In spite of the fact that .
8) Ther are plenty of informal rules that influence people's everyday lives - the ways they talk, eat and drink, work and relax together.
, including .