To secure his resources for Oil, and to make sure he can sell Nuclear bomb supplies to Iran. Also to make 0bama look like the fool he is.
Because Russia has a border with Syria and ISIL is a very real threat Russia is defending itself legitimately through international law it isn't invading a country and trashing it for financial gain like US does President Putin is the only world leader with any success rate of stamping out Islam extremists - he did it early on in his presidency Putin also seems to be the only world leader serious about stamping out ISIL.
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.