[Bigg Red]

Well, it’s usually real estate, isn’t it?

[Ciexyz]

In the mists of time before the rise of Atlantis....or however that opening phrase of Conan the Barbarian goes....I used to read the comic books.

[skimbell]

The article says that at this time the primary causes for this type of conflict were land, cattle and women.

Not sure if that is a list of causes in descending order, but I'd't sure as he11 hope not.