Yes There is a difference between animal welfare and animal rights Animal rights is equating an animal's right to life to that of humankind Animal welfare is simply requiring an animal to not have to endure as much pain, however it still disregards that animal's right to live it's own natural life Animal rights would require respect to each individual animal as compared to animal welfare, which only requires respect to the animal's physical being.
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.