Native English speaker, could you explain simply?

All the better" means "even better than expected, anticipated, planned, counted on." So "It will operate all the better" means "It will only be even better." I think prestige speakers would say: Word is he’s an excellent leader.

With him stationed at the fort, the Soviet forces in the area will only operate all the better.

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.