That is quiet a power to handle but will make sure i end the shortage of food at some parts of the world.Make hunger a thing of the past.End all the unrest at some parts of the globe and hold the right people accountable.Bring lasting peace to middle by uniting them.Create an impartial U.N with all the necessary resources so that they wont answer to any powerful country.Also.end unemployment making every household has a stable cashflow and standard of living.Finally make basic needs like food,shelter,clothing,education and medical care free across the globe.
There is more....this is just some major ones