<span>carved out several east-to-west trails that helped settlers move west</span>
The answer is copperheads :)
Answer:
Wolves are animals who usually eat dead animals, so they clear the forests of dead corpses. When wolves were brought back to the park, they not only killed elk, but also changed their prey's behavior patterns. The herbivores started to avoid areas like valleys and gorges where they could be easily hunted by predators. Deer and elk populations increased substantially, resulting in overgrazing, particularly of willows and other vegetation important to soil and riverbank structure, leaving the landscape vulnerable to erosion. Without wolves, the entire ecosystem of the park suffered.
The correct answer is <span>the tribute system required non-chinese to acknowledge chinese superiority and their own subordinate place in a chinese-centered world order
Basically, the Chinese people didn't need the rest of the world. They made a decision to say that to every other countries because the other countries needed China while China didn't need other countries. For this reason, Chinese interests always came first in every deal and if Europeans wanted something that was disliked in China they could kiss their wishes goodbye.</span>
