The best government is that which governs least. No human depositories can, with safety, be trusted with the power of legislation upon the general interests of society so as to operate directly or indirectly on the industry and property of the community.
Honesty, kindness, loyalty
If im on the right track then a way to right it with dashes would be: Sacrificing her was a mistake-a mistake that could have been avoided. but i may not have understood the question??
If the root hydro- means "water", then the word that means "an electrical instrument used to monitor underwater sounds" is called a hydrophone. A hydrophone is a kind of microphone that is specifically used to detect and record sound waves underwater.