some where arround the year 1000 when my people had our first country karantanija i would use my futuristic knowlage to conqure the world and make it a better place. stop the problems we now face before they begin.
1. only allow bio fuels and alternative energies
2. denounce all gods and proclame my self as the one and only god who does not want to be worshiped and who wants you to follow all laws.
3. stop the overpopulation of the planet before it begins using simmilar methods china uses to keep the population somewhere arround 1 billion
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as for witch movie to recomend the one where woopy goldberg goes back in time in to some medievil era forgot the title and its a bit old