Why isTennessee ineligible for Halo Infinity

Excuse me if this has been asked but I searched and apart from reading the rules there was no explanation. What is the legal reason for Tennessee to not be included in the Halo Inifinity Challenge?

It says that in the rules? o.0

I would hazard a guess that it is because of legal reasons.

Kinda like seeing sweepstakes drawings and reading the fine print that excludes certain states.

I know due to legal reasons. I wanted to know which specific legal reason