Profound social economic changes occurred
I'd choose C.) and here is why. If I asked someone for directions to a hotel they are going to describe the roads and buildings to me. They might say it is built in an embankment then I know to look for a hotel in an embankment. If this is wrong please let me know so I can research more on the subject.
B. The history of the industry isn’t relevant
A meter or metre is the base unit of length in the International System of Units. It’s basically a measurement/unit