Complex sentence: The French Revolution paved the way for the modern nation-state and also played a key role in the birth of nationalism across Europe where radical intellectuals were influenced by Napoleon and the Napoleonic Code, an instrument for the political transformation of Europe.
Split into simpler sentences: The French Revolution paved the way for the modern nation-state and also played a key role in the birth of nationalism. Across Europe radical intellectuals, influenced by Napoleon and the Napoleonic Code the instrument for the political transformation of Europe.