Answer: better leadership, foreign aid, knowledge of the land, and motivation.
The assassination of President Garfield in 1883
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A Classical civilization classified as classical because it is highly advanced for the age. They all center around some form of water (River Valleys or seas, like the Mediterranean). Classical civilization leave a lasting impact on the world.
Greece is an example of a classical civilization for many reasons. Greece as left the lasting impact of the idea of democracy and voting in the realm of government. Their architecture has been and still is copied today. The idea of theater and drama are classic Greek ideas that others have built on and added to. Much of the basics of philosophy also come from Ancient Greek ideas. Some of the math equations that we are taught and use daily are Greek ideas (Pythagoras). Much of what we know about the Ancient world and other ancient civilizations comes from the writings of the Greeks. They copied manuscripts which have helped us to better understand those civilizations. Greek was key to unlocking the and understanding the Ancient Egyptian writing of hieroglyphics. Even when the Greeks were "conquered" by Rome it was Greek culture that would remain. Rome adopted many of the gods and practices and simply put a Roman flare on everything. <span />