Justification means "just as if" I'd never sinned. In God's eyes you've never sinned once you come to Jesus. From there God's mercy can kick in at any time to interfere with natural events by his supernatural grace. Why wouldn't he? He's short-circuited natural events to bring you to Himself in the first place. He doesn't stop there. Why would he? (Rom 8:32).
If you can't believe that God has mercy on sinners (we wouldn't be saved if he didn't) as I said, there are many praying Christians in America who are constantly under God's grace and mercy.
If he waited until after we repented to help us, none of us would be saved either. It is God's goodness, not man's judgements, that bring repentance. He woos and helps the sinner to repentance (changed mind). That can take as long as God decides, weeks, months, years, decades. We're not the ones to tell God how to show his mercy and grace.
If God spared not his only Son, He will move Heaven and earth to bring one sinner, or country, to repentance by his goodness, not man's condemnation.
Don’t know what happened, but somehow that last post was sent to you by mistake. Sorry (unless you find it helpful).