Answer: Way back then, the Roman Empire was the largest empire in the world.
Explanation: Is that good?
The answer to this question can be quite subjective. Some people will say that the telephone is the most important invention, or the automobile, or the plane, but for me personally, I'd choose antibiotics.
It is a modern-day invention (as opposed to the Middle Ages, for example) which changed our lives for the better. Before penicillin was discovered in the 1920s by Alexander Fleming, people were constantly dying because of most harmless diseases. But after antibiotics were invented, people were given a chance to recover from their illnesses much more easily.
The number of churches housed inside the Holy Sepulcher Church are 6. They are the Greek Orthodox, Armenian Apostolic, Roman Catholic, Coptic, Ethiopian, and Syriac Orthodox churches.
Pax Romana: The tranquility that existed between nationalities in the Roman Empire.
Colosseum: A large theater/stadium that the Romans used.
Circus Maximus: The Ancient Roman circus located between the Palatine and Aventine hills.
Christianity: The religion centered around Jesus of Nazareth. The beliefs or teachings of Jesus.
Roman Forum: A rectangular plaza encircled by the old government buildings of Rome.
Pantheon: All the gods of a religion.
Paul the Apostle: A Christian teacher who taught Gospel of Christ to the first century world.
Monotheism: The belief that there is only one god.
Augustus Caesar: Also known as Octavius, he is the first Roman Emperor.
hope this helped !! c: