It took 6000 hours......................
D. It allows citizens of many European countries to freely travel across the continent.
I don't quite understand
maybe try taking a picture of the question by using
the button with a paperclip when you ask a question on brainly just click it and it'll ask you to take a picture then it can help us understand the question better thank you and have a nice day
When Napoleon III became emperor in 1852, Paris was the biggest city in Continental Europe. It was the center for commerce, fashion, art and finance. It has beautiful buildings but these were surrounded by slums. Napoleon III began to solve the main problems of the city: the water shortage, overcrowded slums, sewer system and the narrow roads, making Paris the most beautiful city in Europe.
