The Answer is Tagus River
Answer:
External/ internal migration.
I know it might be too late, but I believe the answer is B) US research and design with mostly Asian production.
Answer:
The overall climate in the United States of America (USA) is temperate, with notable exceptions. Alaska has an Arctic tundra climate, while Hawaii and South Florida have a tropical climate. The Great Plains are dry, flat and grassy, turning into arid desert in the far West.