Limited government sorry if wrong
Answer:
Huge tunnels were built for sewer lines.
New aqueducts brought fresh water from hundreds of miles away.
Broad boulevards were constructed.
Explanation: I just took the test and I had two questions that were similar to that and those were the answers that were correct.
It was important for them to be able to stop the muslim armies from advancing farther into western europe.
It remade Europe after the downfall of French Emperor Napoleon I and tried to restore old boundaries as well as resizing the main powers so they could balance each other and remain at peace.