4x^7. Simply take the sqrt of 4, which is 2 and x^14, which is x^7 (because 14/7 is 2. Remember, to find the sqrt of an exponent, simply divide the exponent by 2, if it is divisible by 2).
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.