Define 'advanced'. The Greeks made great strides and began colonizing the Mediterranean. They produced the most advanced military of their time, defeating the Persians and their superior numbers. And then, the Macedonian empire rose with Peter and Alexander. The Hoplite Phalanx was a formidable force. The creation of the Polis and a form of democracy in a world of autocratic rulers, often self declared as gods. Compared to them there was scant evidence of advanced prior civs. . . Outside of Egypt.