They developed cities and complex governments
Contained
Cuban missiles were either demolished or shipped back to the Soviet Union, causing Soviet Union to back down, and thus resulting in the containment of communism.
Octavian, or Augustuc Caesar, is known as the first Roman Emperor, which means the age of the Roman Republic came to end with his rule. Octavian also presided over the beginning of Pax Romana, a long age of relative peace secured by the power of the Roman Empire.
