Assume that the future can change based on your actions, so any historical information that you bring along with you from the intervening 25 years may quickly drift out of the new realities history.
Edit: also assume that you can be given a healthy 21-year-old body if you want or take your previous self’s place.
Further, identification will be provided for you if you were not born at that time.
Pingy Putty and Reaganism would all still be in heavy effect, I can’t think of a way any one person is going to bring down 3 nuclear super-war-states. We don’t have any anti nuke tech eminence in shadow but nice writing prompt for potential suffering trying.
Pingy putty? I’ve never heard of this before.
Putin and Xi Ping would still be serious threats to trying to take over the world even from 1999 perspective.
Also, nothing comes up when I search it on DuckDuckGo or start page
Eminence in Shadow? I only know the term from the anime. What does it mean here?
Trying to Isekai to 1999 to take over the world brain.