Can you clarify, you are talking about how one could do this now? If not then in what time period? Or do you mean which is the most successful way to start one in all of history..?
Sorry, but your submission has been removed because we don't allow hypothetical questions. If possible, please feel free to rephrase the question so that it does not call for such speculation, and resubmit Otherwise, this sort of thing is better suited for /r/HistoryWhatIf.