While his most famous work, *The Prince*, is often categorized as a political treatise, it also includes elements of political theory and historical analysis. He was heavily influenced by the historical events of his time, specifically the Italian Renaissance, and his writings reflected his observations of human nature and political power.
It's important to note that Machiavelli's works are not easily confined to a single genre. He was a complex and multifaceted thinker whose writings challenge conventional categorization.