- Why does the military intervene in politics in certain countries and not in others?
- How can civilians maintain effective control over the military? When the military takes power, what explains how it rules and how much power, if any, it shares with civilians?
- What best explains why some new democracies survive whereas others revert to authoritarianism?
- Can a democracy survive in any country, or does it require a certain type of society, culture, or economy?