Final answer:
Based on the information given, the empire that included all of the areas shown on the 1814 map is the Roman Empire.
Step-by-step explanation:
The Roman Empire was a vast and powerful empire that existed from 27 BC to 476 AD. At its peak, it spanned across three continents, including Europe, Africa, and Asia. The empire's territory included regions such as modern-day Italy, Greece, Spain, France, England, Egypt, and parts of the Middle East.
The Roman Empire expanded through military conquests and maintained control over its territories through a well-organized administrative system. It established a network of roads, built impressive architectural structures such as aqueducts and amphitheaters, and exerted significant cultural and political influence.