You have the tradition of a hereditary Head of State (in some monarchies they are elected) who is apolitical. The business of running the country is left to an elected government. In the UK the Queen enjoys far more popular support than the elected Prime Minister.
The advantage is that there is no need for elections, which are usually highly divisive. In most systems the electorate has no control over who the candidates are - these are usually bankrolled by business interests and serve them rather than the ordinary voter. All presidents and premiers and their families require ongoing security after they leave office, which is not the case with a monarchy.
It is possible to get rid of an unsuitable monarch as in the UK or Spain in the past, but rather more difficult than a presidency.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.