Case for Global governance and the evolution of United Nations

This thesis is for a Masters course in Philosophy of political science. I would like a thesis on the evolution of the united nations in terms global governance. It has to be in the realm of politcal philosophy. I would like to write on a possible evolution of the United Nations in terms of global governance, the philosphical basis for a World governmentfor example.
Pleas feel free to adjust title and topic aswell but keep me informed on how you proceed. Im flexible.
You may choose bibliography and sources.Keep in mind this is a thesis in political philosophy on a masters level.
Please send me a introduction, proposal as you go on with the work in stages if possible