18. In the context of the passage, the map titles presented in the highlighted sentence primarily serve to:

Answer and Explanation

Your Answer is

Correct Answer is F

Explanation

Lines 59-62 are all the names of the map, and they support the ones before the colon: their names carry bold assertions, with no wiggle room (room for maneuver), these names indicate that the map maker is particularly confident in his map , I think my map is very accurate, choose F;