Answer:
Modern impact: innovations to war, taught everyone how to concentrate firepower, carried out a type of mobile warfare with greater speed and decisive maneuvers, and... promoted professionalism in the army (also significant to his history)
European impact in his lifetime: created the Civil Code (brought many liberal reforms), took the metric system to the rest of Europe, created the Napoleonic code
Explanation:
Background knowledge and history lessons
Hope it helps! :D