I think it’s the ussr and the us ?
Answer:
Bison can run very quickly and have thick outer skin making them difficult to hunt
Explanation:
General Zebulon Montgomery Pike (1779-1813) was a contemporary of Lewis and Clark and he was an early explorer of the territory of Louisiana and the area around the Arkansas and the Red rivers. He also trekked across the Great Plains and the Rocky Mountains, and he published his findings in a book. Pikes Peak, in Colorado, was named in his honor, although he was not able to reach its summit.
Mainly from Europe more specifically Germany ,Ireland, England and France due to various problems such as crop failure. They have also immigrated because of Christopher Columbus's voyages of the new world.
The link doesn’t work though!
