Answer:
The fox takes advantage of Chanticleer's weakness by manipulating him to make him go in the woods and eat him. He performed a stratagem.
Step-by-step explanation:
In the fable, Chanticleer loved to sing in the morning. It was his passion, his duty, and his weakness. The fox found out it was his point of vulnerability and felt very annoyed by it. However, he is also bad because he wanted to eat him and manipulated him to accompany him to the woods and attack him where known could see them and help Chanticleer.