Rheumatoid arthritis (RA) is an autoimmune disease that causes chronic inflammation of the joints. Autoimmune diseases are illnesses that occur when the body's tissues are mistakenly attacked by their own immune system.
What role did the bison or buffalo play in the culture of the Plains Indians? The bison were an important source of fur, food, and shelter for the Plains Indians. They used every part of the animals they killed. Bison were also an important part of their culture.
The solution was practically larger than life. Sherman knew that the bison was the source of food, clothing and shelter for the plains tribes. The railroad, by bisecting the great herds of bison, provided a source of transportation for hunters, thus speeding up their elimination.