Explanation:
Fixed territory and population are one among the components of a society.In the absence of these, society cannot be formed.Fixed territory means the particular area for a particular society,whereas population means number of people.
Every society has fixed territory Orland area that is big or small.To regard any area as a society there must be certain population. Population is also regarded as people living in a certain area at a certain time. However, there is no limit in it's size. It may be big enough as a nation or simply as a summation of some countries.
This is how fixed territory and population is important in the formation of a society because human being form a society and fixed territory and population is needed for the formation of society.