Once a new portlet is created (developed) and described in the xml file, it will automatically be seen in the drop down list which you have on the top right side of the liferay(once you login to liferay with admin credentials).
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.