D is the answer hope this helps
Answer: Former slaves like Frederick Douglass and Harriet Tubman spread the word about how slaves were treated in the south by writing newspapers and books, like the North Star Newspaper (Douglass), and the novel Uncle Tom's Cabin (Tubman).
The petroleum is more superior than coal and wood, mainly because petroleum is easier to transport, and way more efficient. Petroleum is used for fire, and of course in cars which every country has and every car needs petroleum.
It depends wear you get it and what kind of grip tape its is for
