Religion, like all other ideologies, don't exist if you don't believe in them. Therefore, there is no heaven and hell if people, the native americans in this case, don't believe they exist. Ideologies don't make anyone right, nor do they make anyone wrong. They just "are".. . At any rate, no one has the right to think less of anyone else, soley based on relgious beliefs such as this. While it may not be explicit, a good rule of thumb for this case is knowing that asking this question to the party in question would offend them. Just because someone believes in God, or gods, for that matter, it doesn't make you better than them in any way at all.