Common sense dictates that the gambling operators are the greatest threat to Mohawk sovereignty. Modern definitions of sovereignty hold that sovereignty is derived from the consent of the people. That is why governments represent sovereignty, not businesses. If individuals take actions that threaten the right of the people to exercise control of what happens in their country, the people, through their governments have the right, according to just about everybody's laws, to do whatever they must, including destroying the entrepreneurs businesses and banishing the individuals from the country. It is not an invasion of sovereignty, but an exercise of sovereignty, for a government to seek assistance of another government to exercise its will.
Governments do it all the time.
Check out the Philippines in December. Then there's the question of just to whom belong the profits of things like gambling and sale of gasoline. Everyone agrees the profits exist because Mohawk sovereignty exists. Mohawk sovereignty lies in the Mohawk people. Logic would have it the profits belong to the Mohawk people.