2. I would go off to the middle east and use all my powers to end the war there between the palestinians and israelis. telling them that i would no longer tolerate their bickering, or else they would have to deal with me. and believe me, i ain't going to play fair if they mess with me, so they know i would mean serious business.
3. i would do whatever i could to divert all of the meteors and asteroids that were on a direct collision course with earth, like apollo for instance.