Is this a book or just general questions?
Advantage of universal brotherhood
Your answer: Its objective is to bring together science, art and religion, for the purpose of intellectual improvement as well as spiritual education. The Universal Brotherhood's goal is to unite people who wish to work towards the transcendence of the spirit, regardless of belief, nationality, gender and economic status.
Hope this helped! :)
~Dixie
You mean what possible advantage could Oligarchy have?
Oligarchy could mean that people in power will have good education and for example won't be manipulated by populists. For example often people choose their representatives based on very little information, and in an oligarchy, where a small portion of a society (the riches and best educated) rules, it could be more likely that the rulers will have the necessary education and preparaation.
Most of the work in considering and editing bills is done in A) congressional committees. These congressional committees are the first stop after a bill is introduced by a Congress member and is where most of the editing and adjustment takes place before a bill with either move on or be killed.