How many letters does the top answer for “wrote on war” have?

The most common answer is clausewitz (10 letters).

Crossword clue: wrote on war

1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

clausewitz 10 letters wd-fact-v3

Prussian general and military theorist who proposed a doctrine of total war and war as an extension of diplomacy (1780-1

wrote casualties of war 67% similar → palma

wrote star wars 67% similar → hamill, lucas

wrote the apotheosis of war 67% similar → vereshchagin

wrote the art of war 67% similar → tzu

wrote the face of war 67% similar → dali

wrote the forever war 67% similar → haldeman

wrote the war of the worlds 67% similar → wells

wrote war and peace 67% similar → tolstoy, vidor