20 animal was the most significant animal to many american indian nations of the great plains and it demise was connected to the demise of the american indian people of the great plains american bison texas longhorn proghorn cougar

the answer is a, the american bison

“the iliad” (gr: “iliás”) is an epic poem by the ancient greek poet homer, which recounts some of the significant events of the final weeks of the trojan war and the greek siege of the city of troy (which was also known as ilion, ilios or ilium in ancient times).