The best comparison between emerging global cities and struggling global cities is that the A. "Emerging global cities are growing rapidly, while struggling global cities are stagnant or declining".
<h3>What is an emerging &
struggling centers?</h3>
These are centers that are developing quickly while those struggling cities are either declining or stagnant.
Hence, the best comparison between emerging global cities and struggling global cities is that the "Emerging global cities are growing rapidly, while struggling global cities are stagnant or declining".
Therefore, A is correct.
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Because there have been many invasions the correct answer would be C. The invasions would have brought many different ethnic groups into the area.
Aerial photographs are mostly taken from the air. Aerial photographs try to capture as much of the view as possible.
Your answer is: Air
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Westward expansion meant that the US acquired ever increasing amounts of land, and needed people, farmers, to settle there so it could maintained without a huge military presence