A.economic growth through increased international trade
Is it possible to avoid it? Yes I believe so for certain well developed countries with many resources.
For smaller, underdeveloped countries it would prove possible if population willing to go without the certain product or service. If they have never had it they won't miss it.
That question has many factors to consider.
Answer:
Well since you haven't shared the passage it makes this hard. But you can rule out B and D because buildings and huge cities have nothing to do with agriculture. But they did practice intercropping so I would go with C.
Explanation: