You can completely relocate to a different world, where your quality of life is much better than it is for you now, but you have to take somebody's place to do it (and leave everything you know behind).
Or, you are granted the power to make your world better, though it will take time and effort.
Which would you choose?
That's the choice that faces Rae at the end of Terra Paradox. She doesn't yet realize that her decision will affect multiple realities.