Answer:
The scenario represents a completely new environment for the character, making his inexperience in this environment cause difficulties that move the storyline, while the character needs to solve them.
Explanation:
As you can see by reading the text, the scenario is a completely new place for the character, Rosie. This means that she is a foreigner and like any foreigner she will have difficulties adapting, will face prejudice and even miss her previous home, but she will also have achievements. In this case, we can affirm that the experiences that she will have are totally related to the scenario and that will move the whole plot of the story.