Answer:
B.
Explanation:
"Roman Empire" B says civilization ancient and conquer which pretty much describes some characteristics of the Roman Empire D doesnt it says "environmental" what does that have to with the Roman Empire lol it also says "gravitation" at this point D would never be the correct answer. Then A and C, C literature and comprehension has nothing to do with the Roman Empire and variable has nothing to do with it either so the answer is BBBBBBBB