In one paragraph, summarize the important achievements and contributions of ancient Greek and Hellenistic civilizations.

During the Hellenistic period Greek cultural influence and power reached the top of its geological increase, being dominant in the Mediterranean World and most of West and Central Asia, even in parts of India. A lot of cultures were combined together which together created the Hellenistic era. and the visits to Alexandria were booming because of the library.

During the Hellenistic period Greek cultural influence and power reached the peak of its geographical expansion, being dominant in the Mediterranean World and most of West and Central Asia, even in parts of the Indian subcontinent, experiencing prosperity and progress in the arts, exploration, literature, theatre, ect.