Question

Which fact most clearly shows the difficulty in defending the Roman empire against invasion?

(1 point)
O At its height, the empire likely had a population as high as 100 million.
• At its height, the empire comprised nearly 1.7 million square miles of land and water.
• Over the course of its history, the Roman empire built about 55,000 miles of paved roads.
The Mediterranean Sea stretches about 2,300 miles west to east and about 600 miles from Italy to the African coast.

Answer 1

[AI-generated answer — Bot GPT 3.5]

The fact that the Roman empire comprised nearly 1.7 million square miles of land and water most clearly shows the difficulty in defending the empire against invasion. With such a vast territory to protect, it would have been a significant challenge for the Roman army to effectively defend all borders from potential invaders.