It is up to the look and feel to decide how much space is around components inside a tabbed pane - generally it will do this based on whatever is the default for your desktop. JTabbedPane does not have methods for setting the insets around internal components.
Margins are added by setting borders on UI elements. Have a look at the settings of the border of your JTabbedPane.
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.