Final answer:
During the Golden Age of the Hellenistic Era, significant advancements were made in science and philosophy, trade and exploration, and historical writings and cultural exchange.
Step-by-step explanation:
The Golden Age of the Hellenistic Era was a period of significant advancements in various fields.
One important advance was in science and philosophy. Scholars such as Empedocles and Democritus examined the natural world and proposed theories about the universe. Another notable advance was in trade and exploration. The Greeks established trading posts along the Red Sea and traded with Africa, expanding their knowledge of the world.
Lastly, the Hellenistic period saw advancements in historical writings and cultural exchange. Greek historians wrote major histories of Mesopotamia, Persia, and Egypt, while ambassadors from the Hellenistic kingdoms wrote accounts of the customs of foreign lands.