It depends on which type of lawyer you aspire to be. There are many various types like domestic, criminal, Brankrupcy, Real Estate, Personal Injury-all these and more. One subject that is a good GCSE choice is story and preferably English.
Maths is a good option as well. Business falls under many law degrees and is a VERY helpful subject from which to choose A*,A*,A*,A*,A*,A*,A Well I know one of them would be history.
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.