How did Napoleon influence history?

Undoubtedly, Napoleon was an excellent conqueror. However, how did it influence the course of history and what did it bring new, what do we still use? For example, the development of the French Civil Code, which formed the basis of many constitutions. Napoleon also introduced a system of universal conscription. Surprisingly for his time, he developed a wireless telegraph system. It is also worth mentioning that his tactics and works are still being studied in textbooks on military strategy.