Question

Which transition would best connect the two sentences below?

Answer 1

I think the answer is either Furthermore or Therefore! I would go with Furthermore... Hope this helps.

Answer 2

Furthermore IS THE ANSWER since

In contrast is in the wrong context since it says whatever coming next means almost the opposite which it does not.

Therefore is incorrect since we do not know "these stories of sightings have endured for centuries" because of the legends having some basis in history.

Nevertheless is also incorrect since it suggest that this is incorrect to be having given the first piece of information which is wrong.