Why Greek Thought Dominates ?
The greek cities begin to trade as their land was good for gowing olives and wine, with surplus it made sense to trade. To trade, it became one of the earliest to use coinage. In time, however, trouble began as there was an imbalance in wealth distribution. Democracy was born out of potential political and civil unrest — as the underclass citizens were heavy in debt and in bondage. See : http://www.wsu.edu:8080/~dee/GREECE/ATHENS.HTM. So the Greeks had commerce and democracy. A potent combination for spreading their influence.
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