That is not true. You absolutely need the popular will, or at least assent, to govern. Even in the deepest, darkest dictatorships, like North Korea, if the vast

That is not true. You absolutely need the popular will, or at least assent, to govern. Even in the deepest, darkest dictatorships, like North Korea, if the vast majority of the population decided to rise against the leaders, millions would die, but they would ultimately win. Any leader of any type has to convince the populace that accepting their rule is better than fighting it. Even if current weaponry allowed an army to kill the entire rest of the population of a country, that still doesn't allow a leader to rule by force alone: for one, the army will revolt at some point before killing the majority of their brethren. And even if they didn't, the loss of the majority of the population would ultimately leave the country far too economically devastated to serve any purpose, even for the glorious leader.