Which one of the following is not the main cause responsible for bringing in the community? (a) Desire to introduce new ideas (b) Changing needs of the society (c) Economic disparity of members (d) Political differences

Which one of the following is not the main cause responsible for bringing in the community?

(a) Desire to introduce new ideas

(b) Changing needs of the society

(c) Economic disparity of members

(d) Political differences