I wonder what happens if some of the selected do not get to hear the gospel?
The man without the law of God the gospel will perish without the law of grace. As many that are under the law of grace will be judged by the perfect law that gives us liberty to do the will as our living God works in us to both will and perform his good pleasure .
Romans 2:12 For as many as have sinned without law shall also perish without law: and as many as have sinned in the law shall be judged by the law;
Ones perishes never to rise to new spirit life. The other will rise on the last day. Having maintained his confidence.
Philipians1:6 Being confident of this very thing, that he which hath begun a good work in you will perform it until the day of Jesus Christ: