Who would decide when a worldwide military would go into action? What laws and what criteria would be used to make these decisions?
How could we prevent a worldwide military from ruling the world? What if the leadership became corrupted? What checks and balances could be in place to ensure that a military meant to protect us from warfare would instead enslave the world?
Who is already thinking about these questions? What websites and books should we study? What organizations should we join to further this goal?