No it was named for the Miami River of Florida which takes its name from Lake Mayaimi. Miamii, Oklahoma was named for the Miami Indians.
sequoia was a native american
Yes, usually by using signs as many tribes had their own language.
A very tough and loaded question that can not be answered without disclosing a wide variety of cultural bias. A few personal contenders include: The Sioux, Cheyenne and the Arapahoe who were masters...
they insult them