In the second episode of this series charting the history of human civilization, Andrew Marr tells the story of the first empires, which laid the foundations for the modern world. From the Assyrians to Alexander the Great, conquerors rampaged across the Middle East and vicious wars were fought all the way from China to the Mediterranean. In the Middle East, the Phoenicians invented the Alphabet, and one of the most powerful ideas in world history emerged: the belief in just one God. In India, the Buddha offered a radical alternative to empire-building - a way of living that had no place for violence or hierarchy and was open to everyone - and Greece saw the birth of democracy, arguably the greatest political system of all...