Greek.
The Romans were so influenced by Greek culture because many who immigrated to Italy were Greek and so brought their religion and culture to Italy and developed it mixed with the previous settlers. A classic example/myth of this is the story of Romulus and Remus.
No, because the only culture they had was greek culture.
Poseidon was a Greek god = Greek culture.
Legend, language, poetry.
He was Greek and Greek was his culture
As a Macedonian he borrowed Greek culture.
In short, No. Roman culture was heavily inspired by Greek culture and Emperors such as Hadrian tried heavily to integrate Greek culture into Roman culture.
The Greco-Roman came about as a result of embracing the Greeks and the Romans as their masters and therefore adapting some of their cultures and practices. After a long period of coexistence, the regions that were under the governments of Greek and Roman empires embraced their practices and culture, forming a hybrid of Greek-Roman culture.
The Greek culture.
The Greek culture.
Ancient Greek and Roman cultures and texts