Your English is hard to understand but I believe that you are an EU member country citizen looking to live in the UK and exercise your treaty rights so that you can get permanent residence. The answer is that you will have to check with the school but unlikely as even doing 120 credits a year is not considered full time if you are studying online.
A student cannot claim a home office deduction. That's only for work and it must be your usual place of business and the office must be used exclusively for business. If you use it for on line studies, you lose the deduction.
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.