Explain elmer jamison’s contribution to the development of native american codes.

Since Jamieson was forced to write his letters to his homeland in the Mohawk tongue, he was called in as a code-writer for the American forces during World War II. By doing this, the Amerindian Communication Network (set up by Jamieson and fellow Mohawks) was able to write letters indecipherable by anyone who would have intercepted them.