The two characteristics of settlements that are mos closely linked to Walter Christaller's central place theory are (A) the size of a settlement and the services it can offer and (<span>b) the income per capita of a settlement and its cost of living. </span> Central Place theory refers to a geographical theory where in an urban system, the number size and location of human settlements matter in economy.
To make sure that the rules of the school are upheld and to make sure others don't try to break the rules either by knowing of the consequence of their actions.