Answer :
I would say B. that is because when it says "whites" that refers to white colored skin people. Plus people back then would be called white because of there skin. Plus it was often "whites" that owned slaves!
Hope i helped!!!
-PoTaTo1oo1
The phrase that supports the argument that a wide variety of people worked on the underground railroad is in paragraph b.
The correct paragraph is (B).
What is "The underground railroad"?
The underground railroad was a network of people, both black and white, who provided home and assistance to enslaved refugees escaping the South.
This poem is about a girl, Cora, who run away from her place where she and her family slaved for many years.
Paragraph B contains the lines that say that white as well as black people.
Thus, the correct option is paragraph (B).
Learn more about the underground railroad, here:
https://brainly.com/question/12524143