Respuesta :
The answer is A. Trajan's campaign against the Parthain Empire put the Roman Empire at the most land it had under its ruling in the history of said empire.
Answer: A. The size of the empire increased as a result of the trajan's conquests.
Explanation: This is because Trajan conquered the region of Dacia, Nabataean kingdom in Arabia, and more. These places were added to the empire as a result of the size of the empire increasing.
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