Sentence Correction (SC) | Re: In unveiling vast swaths of areas of which they previously had faintly

In unveiling vast swaths of areas of which they previously had faintly any notion of their existence, much like modern day astronomers, ancient cartographers expanding our awareness of the world we inhabit and providing a basis so that we might reach even further into the unknown.

A. In unveiling vast swaths of areas of which they previously had faintly any notion of their existence, much like modern day astronomers, ancient cartographers
B. Much as modern day astronomers do, ancient