Correct.

The Roman Empire was in power and had conquered much of the known world at that time.

Overview of the Roman Empire: 

The history of Rome began in 753 B.C.  As late as 390 B.C. when Greece and Persia were great powers in the world, Rome was still very weak. 

However, during the 4th and 3rd centuries B.C., the Romans became masters of central and southern Italy. Roman armies entered Greece, where they were both conquerors and the conquered: they defeated the Greek armies, but they were overawed by Greek culture and brought back to Rome a taste for fine art and literature.

In 202 B.C. at the Battle of Zama, Rome defeated Carthage. During the next two centuries the Roman Empire expanded rapidly, gobbling up many of the territories once ruled by Alexander the Great, including Greece, Asia Minor, Syria, and Egypt. 

In 60 B.C. a triumvirate (three-man executive board) consisting of Gaius Julius Caesar, Pompey the Great, and Marcus Licinius Crassus led Rome.

In 44 B.C. Caesar was murdered by a group of senators.  The empire he had founded, with its autocratic tendencies, lasted long after his death. 

Imperial Rome lasted from 44 B.C. until A.D. 476.  During the first 3 centuries of imperial Rome, 50 emperors occupied the throne, and 37 of them died violent deaths.

Rome's fall would come at the hands of barbarian invaders. During the 2nd century A.D. Goths looted Greece and Asia Minor. During the 3rd century A.D. the Parthians reached Antioch. By the 5th century A.D. the barbarians roamed at will through the western part of the Roman Empire. Rome fell to Alaric I in 410 A.D., and after a reprieve of a few decades, in 476 the Goths deposed the last Roman emperor of the west.

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