Explanation: The European colonial empires of the 19th century often justified their behavior by pointing to the 'uncivilized' nature of the nations they butchered and conquered. However, Europe in the 19th century was... not exactly well-developed on the homefront. Sewage systems, in particular, were a ghastly-late introduction, even in the most advanced towns of Europe.
Almost like the main advantage of European 'civilization' was the gun and the state's ability to marshal the people who use it, not a higher standard of behavior or human development...