Original sentence: While Machiavelli's influence as a military theorist is often given a backseat to his writings as a political philosopher, he considered Dell'arte della guerra to be his most important work, since it was concerned solely with war, which to him was the most important aspect of statecraft (The roof on the palazzo of state, after all)
Edited sentence: While Machiavelli's influence as a military theorist is often given a backseat to his writings as a political philosopher, he considered Dell'arte della guerra to be his most important work, since it was concerned solely with war, which to him was the most important aspect of statecraft