The correct answer to this open question is the following.
The three ways in which scholars returned to learning from the Greeks and Romans are politics, philosophy, and architecture.
Two of the most important ancient civilizations in human history for the cultural and political degree they reached, were the Greeks and the Romans.
The Greeks were first, and they created magnificent pieces of art, sculptures, architecture, and well-designed cities or city-states, very modern by the time. For instance, the magnificent Parthenon the temple of goddess Athena. The Greeks created the system of government of Democracy, that allowed people to elect their rulers. And of course, philosophy. Greece was the cradle of the greatest philosophers known by humans such as Socrates, Aristotle, and Plato.
The Romans followed the steps of the Greeks in many aspects and received its influence in culture, arts, and architecture. The Romans had beautiful buildings such as the Emperor's palace, or modern constructions that such as the Aqueduct, that proved that the Romans were great engineers. In politics, the Roman law influenced many modern judicial systems and created figures such as the Senate. Rome had great thinkers such as the great lawyer Marcus Tullius Cicero, the great speaker.
