Simple Sentence ...
1. Hippocrates, ‘the father of medicine’ ,the historian Herodotus and others began the systematic study of the world.
2. Sculpture and painting both flourished and a great programme of public building was undertaken.
3. To start with, Athens could afford it.
4. The city state of Athens was the greatest trading centre in the Mediterranean with an empire which provided plentiful food and other goods.
5. The fourteenth century had not only produced great writers such as Petrarch and Dante but also was simply the richest city; its central position made it a major trading and industrial city.