Limit the amount of contact with other people or by having medicine.
Answer:
an external force based on conflict
Explanation:
Here, White Fang thought of escaping into the wild. However, the memory of his mother sending him away when he saw her in the wild, during the famine made him have a second thought. This made White Fang believed that if he could go out and come back, his mother could do the same.
Hence, in this case, the right answer is "an external force based on conflict" because the conflict of losing his mother and thinking that her mother will come back motivates him to stay
How about giving someone Oreo cookies that have tooth paste as the filling.