One of the most consistent sources of conflict for the last 5,000 years has been the battle between civilization (or city builder) and barbarism (or nomad). Throughout the entire history of man, dating as far back as the bronze age all the way to the early 20th century, the rise and fall of great civilizations can be traced back to this social duality. Those living in more developed and “civilized” cities and communities often had to find ways to protect themselves from nomadic and “barbaric” invaders. And the main method they used was to build walls and fortifications for protection. …
