The Axis Powers were Germany, Italy and Japan, that signed the Triparty Treaty to for the "Axis" in September 1940. Minor "powers" of the "axis" were Hungary, Romania, The Slovak Republic, Bulgaria, Yugoslavia, Croatia and Thailand. There were also "Co-belligerents" to the Axis: Finland, Iraq, and severl Japanese puppet states Against them fought the United Socialist Soviet Republic, Britain and The US (which only joined late in the game after the Pearl Harbor attack by Japan).
The three were known as the Big Three.
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.