What cultural advancements set the classical era apart from previous time periods?

The classical era was marked by significant cultural advancements, including the development of philosophy, literature, and the arts. The emergence of influential thinkers like Socrates, Plato, and Confucius laid the groundwork for Western and Eastern philosophical traditions. Additionally, advancements in architecture and visual arts, exemplified by structures like the Parthenon and the sculptures of ancient Greece, showcased heightened aesthetic values and technical skills. This period also saw the proliferation of written language and historical documentation, which facilitated the preservation and transmission of knowledge across generations.