What is an important advantage of writing down a list or bill of rights?

An  important advantage of writing down a list or bill of rights is that ,if there is a list of rights, then it is very easy for people who feel that their rights have been restricted  to identify their rights.

the number of calories in each pack of cookies has a greater variation than the number of calories in each pack of crackers.

lincoln declared that slavery should not be allowed to spread into the new states, and of course this angered the south at the time.