Conventional Sources These are the commonly and widely used sources eg. Hydroelectricity, Thermal Power (from coal, mineral oil, natural gas) It is also known as non-renewable energy source Non Conventional Sources These are the new sources of energy, which are still not in common use. Their contribution to the national power is nominal eg. Atomic, Solar, Tidal, Wind, Bio gas, Geo thermal It is also known as renewable energy sources.
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.