Sealants usually last for many years, but we will want to check them regularly to make sure that the seal is still intact. They can wear over time, and sometimes we will need to add or replace some sealant to be sure that no decay can start underneath them. More.
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.