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Why the Roman Empire Never Conquered the World.

Updated on May 22, 2019
Asp52 profile image

The Author of this hub is well read in history, having studied history at University in England. He has been on HubPages for many years.

The Roman Empire Should Have Conquered the World.

It could be strongly argued that the Imperial Roman Empire was responsible for defeating, and dominating most of the known civilizations back in the ancient world. I wonder, if it would have been possible for the culture, law and empire of the Romans to have dominated the world we know and live in today. In our modern world view with satellites and the Internet, we seem to see this planet as being a tiny place.

With our modern aircraft we can span the horizons in less than a day, something that the Roman generals could have only dreamt about. Rome brought civilization by the sword to much of the world, whether the Roman brand of civilization is superior to the indigenous cultures is a question for a different time and hub. With the resources, technology and military power than Rome had at its command, it was the superpower of many centuries.

So, why did the Roman Empire not spread and conquer the entire world?

A Roman legionairre
A Roman legionairre

The Full Extent of the Roman Empire

At the height of the Roman Empire it is estimated that in the second century A.D, Rome had a population of 45,000,000 citizens. The estimated world population at that same point in time, is estimated to have been around the 500,000,000 figure. Of course these figures cannot be classed as totally accurate as census records where only kept for the Empire and records can be false and lost to us through the passage of time. Rome at its mightiest spanned from the Island of Britannia in the West to Arabia in the Southeast and tracts of land in Armenia, Georgia and Azerbaijan in the East. The amount of modern day countries the Romans had control of was impressive.

But the Roman Empire even at its most powerful, only covered at most 10% of the Earths landmass. When you compare the full annexations of Rome's territories to that of the British Empire's it does not seem as large. Of course the British Empire was over 1500 years later on in our history. It is estimated that the Roman Empire could call on as many as 500,000 legionnaires to police and maintain order, as well as their main military use in battle. The occupying military forces were often assisted by friendly tribes to Roman, who provided the Legions with auxiliaries. These local troops were more interested in settling tribal rivalries than the good of Rome. Although many subjugated citizens did enlist in the Roman war machine.

The Senate Held the Power of Ancient Rome.

Roman Senators
Roman Senators

The Anarchy Outside the Walls.

Outside of Rome's sphere of influence there was a lot of tribal rivalry and distrust. The tribal distrust of the free tribes initially allowed the Roman invasion commanders to play individual tribes off against each other. The wealth of the Roman Empire was ultimately a curse to its longevity, although some tribal leaders say profit in a formal union with Rome. Others saw that there was a great prize ready to be exploited. If rival tribes could put there differences aside, there would be a common goals to strive for. The tribal customs and freedoms would be untainted by Roman influence and the war leaders would be rich beyond their greatest expectations.

Rome was surrounded by tribal groups who either feared the expansion of Rome, or where very envious of the wealth that the higher classes possessed. Rome also had to deal with the renegade factions within its own Empire. Not only did Rome have rebellious natives within its borders, it also had social friction and the selfish interests of the old Roman families to deal with.

Rome was unable to fully conquer a few obscure but strong Western European tribes such as the Pict's of Scotland and many of the tribes of Germania. Surviving Roman historical texts state that there was noted rebellion by the Iceni in Britannia, by the Jews in Judea and the people of occupied Greece. The Roman war machine did not have chance to follow in the footsteps of Alexander the Great and conquer up to the area's of modern day India and China.

There was Resistance to the Roman Empire

There were tribes and opponents who did not wish to see Roman rule take over their lands.
There were tribes and opponents who did not wish to see Roman rule take over their lands. | Source

A Change Within the Roman Empire.

The Roman Empire could not police its existing borders by the 4th century A.D. This lead to renewed insurgency from the peoples such as the Hun's, Visigoth's and the Germanic tribes. In some parts of the Roman Empire it was easier to pay off the invaders rather than face annihilation. If the Roman Empire could not maintain domestic security, it would have been impossible for it to advance further into hostile territory.

It is possible that if the Roman Empire could have maintained social harmony within its empire, then the Roman Empire could have spread more smoothly across the continents of Europe, Asia and Africa. As history shows Rome was not unable to install the Roman philosophy in its occupied territories, to ensure continued loyalty. The spread of the new Christian religion damaged the standing of the Roman Empire. The people now had to choose whether to follow their godlike Roman Emperor or follow the teachings of Christ.

The Full Reach of Rome.

The Full extent of the Roman Empire in Red shade.
The Full extent of the Roman Empire in Red shade. | Source

Your opinion

Could Ancient Rome have conquered the entire world?

See results

Was the World an Unrealistic Dream?

It is my opinion that Rome would never have been able to install the Roman way of life into every citizen of the world. The main reason for this is that not every person would lay down their culture without a fight. Although a country can be taken, and land annexed, history has shown that you cannot destroy or defeat the desires of an individual. Rome did not possess the infrastructure to grow with its territorial advances under the like of the Emperors Julius Caesar, Claudius and Trajan.

Rome would not have had the logistical or technological support to invade whole continents such as Australia and the Americas. None of these continents were known to the Roman Empire, and even if the Legions could attack the natives of these lands, they would not have had the numbers to dominate the native tribes. We must also be aware that the Roman soldiers would have been weak from their travels and their numbers on each journey would have dwindled due to disease.

For all of Romes success it was unable to unify defeated tribes and tried to fight campaigns on too many fronts. The only way the Roman Empire could conquer the globe would have been to use local tribal auxiliaries to augment its own numbers and defeat a common enemy. Rome became stagnant in its success, and was unwilling to adapt to the changing times it was living in. If Rome was more flexible and accommodating then the Roman Empire could have marched onwards through all enemies. But the nature of the Roman Empire was to spread the ideals of Rome.

Would the Entire World be too big a Challenge?

Rome, Italy

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This content is accurate and true to the best of the author’s knowledge and is not meant to substitute for formal and individualized advice from a qualified professional.

© 2010 Andrew Stewart


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    • Stella Kaye profile image

      Stella Kaye 

      3 years ago from UK

      If Rome hadn't fallen we would have been half way to the stars by now.

    • Anate profile image

      Joseph Ray 

      6 years ago

      Yes, Egypt was the bread basket of the Empire for quite sometime. The real problem that faced the Roman Empire was the Emperor. Many of them were quite frankly incompetent fools. This becomes especially true as you reach the end of the Empire, where the emperors departed from Rome and set up . Even though this is not when the Empire fell, it is an example of their incompetence. When Alaric was camped outside the city of Rome, the Roman Emperor's embraced the idea that Rome had never fallen. The fact of the matter though is that Rome was not in a very defensible place. This was proven all the way back when Brennus (Celtic Bran) sacked Rome before the rise of the Roman Empire. The reason that Rome had never fallen since then was that nobody had ever marched on the city because of the Romans Legionaire Wall at the border.

      The other reason that they had issues expanding was that the Romans unlike Alexander the Great were actual interested in building something. This is why their Empire lasted far longer than Alexander's. Alexander was a kid trying to conquer, but the Romans were trying to bring order (their brand of order) to the world.

    • Asp52 profile imageAUTHOR

      Andrew Stewart 

      7 years ago from England

      You make an interesting point there, I think there are a number of reasons why they could not expand further in most directions. I personally believe the larger the empire became, the harder it was to govern efficiently. I wonder how Roman those at the furthest reaches of the empire felt. At one stage the North African provinces were vital for feeding the Roman legions, once their harvest dwindled the Legions struggled for bread.

    • profile image


      7 years ago

      Did not the Roman Empire stopped expansion northward almost exactly on then january's zero isoterm line (before rolling back to defensible natural borders)? I.e. there's correlation between roman conquests and possibility of eastern agricultural practices, as only a bit further north - and mediterranean civilizations couldn't grow food effectively - you need to plow with horses, not bulls for.ex.

    • profile image


      8 years ago

      A lack of flexibility probably was not a main cause for their inability to expand, the fact of the matter is internal strife and weakness was the main cause. A lack of new territories hurt their economy, poor leadership, even lead piping. The only point where I might concede a lack of flexibility is the military, the lack of heavy cavalry severely weakened a legions ability to fight germanic invaders. However it should be noted that the Eastern portion was able to survive and flourish for another thousand years. Rome has not truly fallen but evolved, just as the British Empire evolved into the commonwealth.

    • Robwrite profile image


      9 years ago from Oviedo, FL

      It was ultimately the case that the Romans were their own worst enemy. They imploded from internal strife. The split between Honoria and Arcadius that divided the Empire; the rise of Christianity; and so on.

      A house divided amongst itself cannot stand and the Romans were definitely not as strong from within as from without.

    • CMHypno profile image


      9 years ago from Other Side of the Sun

      Interesting hub Asp52, I think that all things come to an end and all empires overreach themselves eventually. Maybe you should write a novel on what would have happened if the Roman Empire hadn't fallen?


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