Answer: Electromagnetic spectrum
Explanation: I believe this is the answer you are looking for I may be incorrect.
In general, the most materially advanced and developed countries are focused on extensive development of the secondary sector of their economy. Because secondary sector is made up of Construction and Manufacturing, which the advanced and developed countries would like to focus on.
C) People become unemployed and cannot get services they need.
Factories provide jobs which keeps unemployment rates down. They make thosands of jobs worldwide so, when European countries removed these factories it made the unemployment rates skyrocket.
I know French is spoken in both Montreal and Quebec!
