Ancint Greeks major accomplishments were the olymics, theater, democracy, and architecture.
Classical Art was one of the biggest accomplishments of the Golden Age
The classical Greeks valued self-examination and philosophical speculation.
astronomy
"the system of mythology of the Greeks and Romans together; much of Roman mythology (especially the gods) was borrowed from the Greeks" http://www.thefreedictionary.com/classical+mythology
democracy and philosophy
The Trojan War gave the classical Greeks it's heroic ideal and several mythological gods.
Art made by the Greeks roughly between the start and end of the classical era.
The ancient Greeks made great achievements in government, philosophy, science, and the arts.
Art, literature, architecture.
With the Ancient Greeks, circa 480 BC.
yes.
No ... Many were literary works.