Julian Cope presents Head Heritage

If I had to answer the original question on this thread, probably would come to the conclusion that more people equal more use of food resources which in turn would lead to skirmishes and wars. Strange how we subdivided the prehistoric into three ages, stone, bronze and iron. We see hill forts as defensive, and probably rightly so but did the use of the word 'iron' dictate the warlike nature in our thinking or is aggression part of our nature?