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Max has an MA in Classics, Religion, Philosophy, Behavioral Genetics, a Master of Education, and a BA in Classics, Religion, Philosophy, Evolutionary Psychology.
Welcome to Jericho. It is one of the oldest human settlements on earth. For thousands of years the natural spring and high rock formations of jericho have drawn hunter gatherers seeking refuge.With the rise of agriculture, people began to settle in earnest near Jericho, but it was not its ready waters and fertile soil that attracted farmers, it was that great fortress of a rock.
The whole point of settled agriculture is to store food. These stored resources attract raiders. This is what makes Jericho so appealing. When barbarians came on raids, the farmers could retreat to the rocks with their stores and fight off the invaders. It is no surprise that such a place was home to one of the first man made fortifications.
These people of Jericho were already familiar with the idea of taking refuge behind stone. All it took was for some clever fellow to think 'if the rock protects us what if we could extend the protection of the rock around a larger area.'? Thus the wall was invented. and so the people of Jericho built a wall around their town. And we're not talking about teeny flimsy walls, these walls were over eleven feet tall and 7 feet wide! They even built a tower so they could attack anyone attacking them.
Imagine the shock and outrage of a raiding barbarian warlord to see his target, the people, livestock and food of Jericho, tantalizingly out of reach, protected behind 7 feet of stone. He cannot simply storm the place. From their vantage atop the walls and tower, the people of Jericho can shoot arrows at the invaders, while the invader's projectiles cannot reach them. The only option remaining is a waiting game.
For a few thousand years, that is a game that the people inside the walls will win.
The people of Jericho have all their food stored safely inside the walls. They even have a fresh water spring. The barbarian raider has no food stored; that's why he went raiding. Like a siege in reverse, the people of Jericho must only wait for the barbarians to get hungry and leave to find an easier target to raid.
Such walls would prove just as frustrating to armies of civilized invaders. The technology to break down such walls would take thousands of years to develop. So unless, like Joshua, you've got a lot of trumpets and a god on your side, you're going to leave cities like Jericho alone. For now.
The main obstacle to besieging a walled city is keeping your own people fed in the process. Feeding an army on the move is hard enough; armies carry their own supplies, and can also forage and pillage along the way. Feeding an army for an extended siege requires massive amounts of resources. A sizeable army will soon consume anything edible nearby. To conduct a siege, you must be able to move troops quickly to preserve their stores, and be able to resupply them once they arrive.
This is not a problem if your target is near a river or the sea. Humans have been traveling by sea for at least 130,000 years. All you have to do is put your soldiers on boats and send them supplies down river. This is one of the reasons why the earliest empires form along rivers.
Once the empires had been built, the rivers served as highways for defense as well as arteries for trade.
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But there are drawbacks to sea faring. Paddling across the Mediterranean in a dug out canoe is a chancy business at best. Rivers can be flooded one season and dried up the next. Still, this system works well enough if you don't mind your empire being limited to a few days march from the nearest body of water. But what if you want to expand further? To do that, you're going to need roads.
The first roads were probably little more than game trails, followed by so many hunters over the years that they were pounded into rough pathways. Such dirt paths are unsuitable for moving goods, let alone an army. They make a poor surface for wheels and rains will turn them to mud.
The first attempts to improve upon this surface seem to have been log highways. We've found some in England that date back almost 6 thousand years ago (4,000 BCE). Around the same time, cities in the fertile crescent began to pave their streets with stone. Yet paving a road is a laborious process. Foundations must be dug. A substrate of sand or gravel must be laid. Stones must fit together tightly and be worked smooth on one surface. The whole road must be reinforced on both sides to keep the stones from spreading. Finally, some sort of drainage method must be included to keep the road from washing away. And all this must be done by hand, at best using soft copper saws, at worst using one rock to break another rock. With such primitive tools, just paving a half mile street through the city of Ur likely took years. Actually building a road between two cities with such primitive tools would take generations.
Then, around 3000 BC, a new metal came on the scene: bronze, a combination of tin and copper that is harder and stronger than either. Bronze occurs naturally in a few places around the world, and was greatly prized as a tool by those who had access to it. Yet with experimentation, ancient metallurgists were able to find the perfect ratio of copper to tin, making a much stronger metal than its naturally occurring counterpart.
With this new metal, man was finally equipped with a tool that was harder than stone. Massive projects like roads would still take years to complete, but at least they would not take generations. By 2600 BCE, the Egyptians had paved roads connecting their cities and resources, and were starting work on pyramids.
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But bronze is good for more than stone work. The same strength that allows a bronze chisel to cut stone also lets a bronze breastplate stop an arrowhead. Its sharp cutting edge made for splendid tools, allowing for greater precision in all crafts. That same edge also made for fine weapons. The combination of sharp, strong weapons with arrowproof bronze armor made a civilized bronze age warrior a truly dangerous foe, a tank of a man.
However, all that bronze is heavy! To stop an arrow, a bronze breastplate alone must weigh at least 50 pounds; his whole kit might have exceeded 90 lbs. That's nothing, you think, our soldiers carry as much.. But remember, these people are little. A Bronze Age agriculturalist was so malnourished, 5'5' was the tallest he could ever hope to grow. At most, he weighs 160 lbs. Even with roads to ease his way, he's carrying more than half his body weight. He's not going to be able to travel very quickly so encumbered.
To take advantage of all the benefits bronze offers to soldiers, a way had to be found to move these human fortresses around. It was at this point that humanity made a new friend: the horse.
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Western Civilization I: Help and Review17 chapters | 309 lessons
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