What is fairly evident is that writing systems sprang up throughout the Global Atlantean trade community which operated until its demise from 2500 B through 1159 BC. As evident the idea inspired local variants everywhere rather than a universal system. This impulse driven by the extingencies of language was natural if otherwise not helpful in terms of preserving information.
Here we have a similar situation arising through the connection between colonies in the SE USA and Southern Mexico. All this informs us that Mexican civilization did spread to a lodgement in the SE USA as was natural.
All good stuff. The SE and by extension, the Mississippi was a blank slate until this work began to properly identify the peoples involved. As crazy we have thousands of ignored Lake Superior artifacts conforming to the Minoan culture because no one will accept Minoan providence. The moment that happens an army of European scholarship will impact our knowledge hugely.
Apalache-Creek writing system most similar to that of Central Vera Cruz