If he had survived to invade Asia, it would not have been to overthrow the Persian Empire. He might have established a Macedonian empire in Asia, perhaps, but it would have been a Mediterranean empire in character. The Greeks would have benefitted by colonization, but the problem of Greek freedom would have remained, with the political domination of the higher culture by the lower. Philip was aware of the problem, and the League of Corinth, with its facade of freedom, was his answer. It did not deceive the Greeks or satisfy them; but no later Macedonian king could improve on it. Philip had made Macedonia, and now Macedonia and its kings made world history. (Encyclopaedia Britannica Article)