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.
The answer is C and A (I think.)
Gl.
Answer:
My name's Bonita.
You might be like... "Don't expose that" but who cares.
Answer: C
Explanation: Really hope I can help!