Legacies: Roman, Greeks, and Hebrews In the ancient days, when culture, as well as civilizations were developing, many things came to be known as options for later cultures. Civilizations had different ways of doing things and therefore each of their cultures differed considerably. The Romans, the Greeks and the Hebrews all presented different legacies to the world. The Romans actually gave a legacy from their political, and economic systems. From the political system they gave us two forms of working government. There was the republic, which was made up of a senate, two assemblies, and consuls