I think it's not just new topics, but different models of why things change, and why history rolls on. The 'great men' concept of history (the bio part of the m

I think it's not just new topics, but different models of why things change, and why history rolls on. The 'great men' concept of history (the bio part of the military history trifecta) has pretty much fallen apart at this point, leaving a lot of space to fill n the whys of history.