They depended on charity.
Its 2. 2800 BC - 2701 BC i guess that my answer is correct.
It is the opposing thought as to why one side is wrong.
The Greeks discovered that diseases occur naturally. They discovered that you became sick because your body was reacting to the disease. The Greeks believed that if you stayed clean and washed your hands you could prevent diseases. The Greeks built temples for their gods, like The Parthenon. They built beautiful coloms to hold their building up. The Greeks greatest contribution is their way of government. Their Democracy.