How would a historian use this political map to study Roman civilization? to understand Roman forms of government
to determine how the Roman Empire expanded over time
to determine how much wealth the Roman Empire had
to understand how geography affected Roman culture

Correct answer is to determine how the Roman Empire expanded over time .

Explanation:

To determine how the Roman Empire expanded over time is the correct answer as it refers to the spreading of Roman civilization across different regions, areas and even continents. With its spreading Romans spread language, religion and culture.

First option is not correct as we can't conclude what is the form of government in certain country through map.

Third option is also not correct because those data can't be find in the map.

Fourth option is also not correct as we can't understand the affection of geography on the culture through maps that much.