I would have to say a) the event that sets up the story's main conflict.
"initiate" mean to begin, or start off. The event that sets up the main conflict would most likely be the initiating event.
Hope this helps you, baii<333
Answer:
D "‘We were all so happy to start school
Explanation:
This question is about the article "Our World Turned to Water" that tells the experience of a community in Louisiana that was surprised by a violent flood that had not been predicted. The people in this community had started their days in a normal way, we can even see that the students were happy to start another day of school, without imagining the disaster that was about to happen.