<span>Economic rivalry among sellers for the consumers' dollars is called competition. Your welcome, I have researched this topic.</span>
When the body is given weakened/dead pathogenic material this helps build up an immune system towards the actual live infection. It prepares the body for the infection so that the person does not get sick.
Answer:
The Cherokee had that language. Sequoyah, a Cherokee, invented it in 1821. He got the idea from seeing non-native soldiers reading what he called talking leaves (words on paper.)
Hope this helps :)
