O democratic elections offer the best chance of achieving a sustainable peace following violent civil conflict? Use examples to support your answer

This essay is about a module of Wars, Humanitarian Crises and Aid, so please do it under this background.
Do democratic election offer the best chance of achieving a sustainable peace following violent civil conflict? Use examples to support you answer.
I suppose that you should do deeper about examples (like analysis) rather than do many examples. But you should have more than 2 examples.