What we CAN do, is become aware of spiritual movement in the world — actually, aware of God, who will then cause us to become aware of spiritual movement.
When the time is right and the people genuinely it, then we can step up to help. It wasn’t time even 50 years ago — that is why it failed. God helped the few souls of good will to get to America, or else leave the earth through a relatively merciful death.
Well, it could’ve been done early on. JFK clearly botched it, but then he never really tried. Nixon likely would’ve followed through, though Ike should’ve had the CIA put this animal down before he had a chance to seize power.