Answer:
A two sided appeal
Step-by-step explanation:
a two sided appeal does not just present an argument in order to favor one side, but it also pits into consideration the opposing side.
In this question, the teacher applied this context. Although she wanted the assignment submitted 8n 2 days she notices that the number that turned it in were few. She tries to convince the rest on how how important the assignment is so they have to turn it in regardless of the difficulties they faced.