If you had Super Powers, what would they be, and how would you use them?

Use this super power to bring about: 1. Entire world is to be made as one nation 2. Peoples of the world become citizens of one nation 3. One currency, one language, one religion (or no religion) 4. Free moment of goods and people to any part of the world 5. To remain as super powerful man to ensure the above happens and continue to happen.