Answer:
I don't know the answer of this question but anyway thanks for the points.
I think it would be ‘problem and solution’ but i haven’t read the article because it isn’t linked. however ‘problem and solution’ does sound like it would fit best :)
B- learning how to make fire was a long struggle for humans
The letter was sent from Frex to her daughter Elphaba, requesting her to help with her younger sister Nessarose Thropp - the woman who becomes the Wicked Witch of the East - who has taken her position as Eminent Thropp of Munchkinland. In the package, Frex sends Nessarose the sparkling glass covered shoes which were made by Yackle (technically, out of glass) as well as ornamented by Frex using techniques he has learned from Turtle Heart. They become a major source of conflict due to Elphaba's jealousy, as she is determined to get them back at all costs, but Dorothy is unable to remove them.
