Answer:
To explain some of the obstacles she faces.
Explanation:
In this case, Viktoria is writing a narrative essay, meaning that she is trying to prove her hypothesis by narrating a story. As this part is in the middle, it means that it is not very important but it may give additional information to help readers understand better what the speaker wants to say. She mentions the given situation and how she wasn't able to brainstorm, which can be inferred as an obstacle. She also explains why it happens and how she felt about it.
