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.
It maintains the oral tradition of communities.
the first and last choice are conservative and the two middle choices are liberal
The Gettysburg Address is a speech delivered by Abraham Lincoln at the November 19, 1863, dedication of Soldier's National Cemetery, a cemetery for Union soldiers killed at the Battle Of Gettysburg during the American Civil War. ... Everett spoke for two hours, from memory, before Lincoln took the podium.