the answer is the colosseum
The major architectural feature of the Colosseum and other Roman buildings was the use of concrete.
The Hagia Sophia and the Pantheon are two lasting structures of the Roman Empire.
The spread of greek culture.
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Democracy
The creation of the Napoleonic Code.
enabling transportation and communication
The most lasting achievement of Alexander the Great was the spread of Koine Greek throughout the Mediterranean world and the Middle East. A common language became spoken from Spain to India.
It left behind a lasting religious achievement with Ethiopian Orthodox Christianity, stone architecture, and terrace farming.
Restoring lasting stability to the Empire after a century of civil wars.
The Latin langauge beause it was adopted by different people and developed into many other types of languages such as French, Italian, and Spanish.
Charles Romes's birth name is Charles Michael Romes.