Why were there so many wars in the middle ages?

Chimps at war: I started thinking about this when looking at the warlords of the present Afghanistan. They behave as gangsters, using force to collect protection money (taxes), and manage the (illegal) drugs trade. read more

There was a distinct "fighting season." Their organization, execution, and purposes were very different from modern wars. Second, there were far more political entities to fight. Instead of large nation-states like we have now, there were dozens or even hundreds of feudal landholdings, with families quarreling over one thing or another. read more