Empire builders. The Roman empire

The Roman Empire was the most powerful economic, cultural, political and military force in the world of its time and became one of the largest empires in world history. At its height under Emperor Trajan, it covered 5 million square kilometres, holding sway over an estimated 70 million people, at that time 21% of the world s entire population, controlling large territorial holdings around the Mediterranean Sea in Europe, North Africa and the Midd...