That is a secret that is kept pretty tightly by the Aes Sedai. The biggest gain is that they gain a bodyguard and servant who's trained and willing to assist them in their needs. There is also a lot of evidence that shows that Aes Sedai can "compel" their Warders to do things against their will.
This act has been rarely used, if ever by an Aes Sedai. Aes Sedai can also draw directly on their Warder's strength if they are near exhaustion. 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.