Language and religion.
Greek.
The different Greek city states had the same language and religion. They played sports against each other in the Olympic games.
greek
Greek
Hellenism is the blend of Greek culture after Alexander the Great died. Alexander killed all men of the lands he conquered, which spreaded Greek culture with other cultures. Alexander decides to leave soldiers for women of that land, and their babies end out to have Greek blood.
Alexander the Great marched his army into the east and expanded his empire. He understood that if he wanted to maintain a vast empire he needed to indoctrinate the eastern cities with the Greek language and culture.
Hellenization.
he wanted to spread greek culture
Her father is Zeus: she is therefore related to the Olympians.
Cicero was ambivalent about Greek culture, on the one hand admiring it, on the other asserting the superiority of Rome to its client Greek world. Petrarch as an enthusiastic admirer of Greek culture, not surprising for a Middle Ages philosopher in a medieval Europe struggling to emerge from the Dark Age.
As Alexander's empire expanded, the Greek culture spread and merged with other cultures. In the lands he conquered after the battles, he treated his enemies with respect and honor and taught them Greek culture and ideas.
Like any other man that conquers an other country, so did Alexander spread Greek culture of which he belonged and he pointed out on numerous occasions.Keep in mind that most Greek city - states were more progressive than the then know world, so the Greek ideas and culture were something quite different but evensoafter his death and even during his life the conquered countries did kept most of there cultures traditions and way of government.