Julius Caesar thought it would be appropriate for January, Janus's namesake month
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.
The answer is A
Yea that’s the answer
Merits and demerits is that merits are the strengths of anything be it a policy,law, agreement, action. They show what benefits it has and how it can be gainfully used. Demerits on the other hand are the weaknesses of anything.