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

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1 point
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.

The fact that the empire comprised nearly 1.7 million square miles of land and water most clearly shows the difficulty in defending the Roman empire against invasion, as it highlights the vastness of the territory that needed to be protected.

The Pax Romana began around 30 BCE with the rise of who?

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Julius Caesar
Octavian
Marcus Aurelius
Constantine

Octavian (also known as Augustus)

The Great Schism resulted most directly from the?

Fall of western Rome
Byzantine rejection of the pope
Augustus destroying the senate
Byzantine rejection of the Roman Emperor

Byzantine rejection of the Roman Emperor.

Roman technology allowed:

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1 point
Romans to live healthier lives, relative to other ancient civilizations.
more Romans to be free rather than enslaved, relative to other ancient civilizations.
the Roman Empire to have a democratic government.
Romans to do jobs other than farming, relative to other ancient civilizations.

Romans to do jobs other than farming, relative to other ancient civilizations.

What was a drawback to living in the Roman Empire?

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1 point
As many as 1 out of 3 people were enslaved.
Roman law treated Romans of color unequally.
If you were born to a low status family, you had no chance of becoming powerful.
Compared to living in other ancient civilizations, there were no serious drawbacks.

As many as 1 out of 3 people were enslaved.

What does the symbol of the cross represent in Christianity?

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1 point
the birth of the Messiah
the ritual meal of the Eucharist
the death and resurrection of Jesus
the love for one God above all others