If I astral project I am capable of going to any belief system territory assuming I have the skill to do so.
This is correct.
It's a bit of a tricky mental balancing-act because you need to be a part of the action to a certain degree in order to interact with the people there; but not so much a part that you begin to get swept along by whatever circumstances/events/actions/ etc. are taking place.
What about when I pass away. I consider myself aware that the belief system territories do exist so I make my home in one of them but will I be able to visit them. For example lets say one of my relatives is much more religious than I am. Lets say we both pass away and I go to place A and he goes to place B. Will I be able to go visit him/her?
I understand what you are getting at here but there are a couple of aspects of the process you might not be taking into account.
Firstly, while I fully respect the fact that it is your life and you are free to choose accordingly, you don't want to be looking to make your home in a belief-system region of the Astral (Focus levels 24, 25 & 26 in Monroe-speak). Thing is, you don’t want to be within the Astral: full stop. Take it from me, it really isn’t
the place to be.
The people who inhabit these places are nicknamed Flatlanders due to their failure to think multi-dimensionally. Their mix of beliefs and emotions causes their attention to become focussed or engrossed in a very local way. Imagine, say, a primitive island community in the middle of a huge ocean. Say also they've never seen a boat or a plane, or any other evidence humans exist apart from themselves. Chances are high they would believe they were the only humans alive. Yet beyond the horizon is a huge land-mass teeming with people living freedom-rich, high-technology lifestyles.
This is basically the same difference between the belief-system regions and the exchange territories. You see, it's not so much a case of you choosing
to make your home in the belief-system regions. It's more a case of that "home" choosing you! So to have the degree of freedom you need in order to visit other people and/or places, you need to aim for the exchange territories.
To do this you don’t have to drop your religious beliefs. There are zillions of people within the exchange territories with religious beliefs. You can even build your own church if you want. Or whatever else takes your fancy. In other words, being religious, per se, does not necessarily mean you end up in a belief-system region; as it’s not so much being religious; it’s being religious… and… sorely missing the point.
Secondly, every person who is incarnate, in a sense, leads two distinct lives.
During the hours people are awake on the Physical, each person's mind is operating through their respective physical body. As such, their primary focus of awareness tends to be concentrated on the physical environment to a high degree: the day-to-day accumulation of which forms our “physical life”.
When a person is physically sleeping, however, the mind operates through a different body; a body which is of a non-physical nature. While we sleep, each person engages in activities within various non-physical environments: the nightly accumulation of which forms our “sleep life”.
As an aside, I suspect this non-physical sleep-life aspect of a person is what Monroe called his: I-There. But I’m not entirely sure on that.
The type of activities a person becomes engaged-in highly depends on their level of non-physical development. Problem is, due to the Mind Split effect (Note: RB goes into this at length in Astral Dynamics.) it is easily possible for a person to have an active sleep-life and yet be largely unaware of it
It is an unfortunate fact that a large number of people, currently incarnate on this planet, have yet to develop the degree of realisation necessary in order for them to become aware of; familiarise themselves with; and subsequently cultivate this non-physical sleep-life aspect of their self. But, then again, I suppose that's one of the primary reasons why most of us are here.
There is, however, a certain degree of bleed-through which people generally call dreams. Dreams have been subject to all manner of interpretations and subsequent misunderstandings in the past; and will no-doubt continue to be misinterpreted and/or misunderstood by the population at large, for a good while yet.
When a person's physical body reaches the stage where it can no-longer function, the mind ceases to operate through the physical body and permanently withdraws from it. While there are a number of factors which can upset the transition, left to its own devices the mind simply continues to occupy the non-physical body it normally
occupied; and continues to engage in activities it would normally
engage in; while the (now defunct) physical body was asleep.
A person, therefore, who previously became familiar with their non-physical sleep-life, will suffer far less stress and confusion following physical-body death; because, in a way, the Astral-projection transition is a *lot* like the physical-body death transition. This is why almost always when someone projects spontaneously they immediately think they have died; as it drags up memories of having experienced the death transition in previous lives.
So, basically, a person who enters a belief-system region will do so because, chances are, that is the place where they spent their non-physical sleep-life for a time period prior to physical-body death. As I say, people generally just carry on doing what they normally did. (Note: This is also the basic reason why someone can die in a Physical sense and not realise it.)