They needed a way to reduce the elk population in Yellowstone National Park.
Answer:
serfs: workers who was tied to the land which they lived
I believe the answer is: identification
In speech, identification refers to the effort that made by the speakers to build sense of values or similar interest with their audiences.
One tactic that most commonly used to achieve identification is by presenting a personal case that could be easily felt relatable by the majority of people.
i only got these many answers i do not know the rest