Thanos Veremis answers with this book the how and why of the Revolution of '21, with specific 21 answers:

For the armed fighters, the foreign travelers, the characteristics of society, the revolution in Moria, the geostrategic position of Greece, the importance of the Enlightenment, the foreign parties, the National Assemblies, the military successes, the discord, the role of the Church, the loans, the international relations...