I think it is B... I think so
Answer:
Cohesion concerns the flow of sentences and paragraphs from one to another. It involves the tying together of old information and new. When we write academic essays, particularly in the humanities, we work hard to foster cohesion structurally, which enhances a reader's understanding of our ideas
An introduction of the Gleason family
Created the underground railroad
Managed the Underground Railroad.<span />