Lassical Greece, Hallenistic Greece, Etruscan Civilization, Roman Repulic, Roman art essay

5 Civilizations:
Classical Greece : Kritios Boy
Hellenistic Greece: Nike of Samothrace
Etruscan Civilization: Wife and Husband Sarcophagus
Roman Repblic: Portrait bust of Julius Caesar
Roman Empire: Colosseum

Each civilizations should answer followings
1. What kind of artwork is it?
2. What does the artwork express or reveal?
3. What is the relationship between the art and the culture of the related civilization
4. How did the culture or civilization influence that genre of art?