I would choose non-polluting energy source and useful in remote areas - that is if there are plants and industries that are away from the general population.
From what I personally know, Germany wasn`t originally going for Stalingrad but Caucasus oil fields, but Russian forces would not surrender.
I am pretty sure the answer is <span>Córdoba in southern Spain, the capital of Arab Andalusia</span>
The finches on the islands were the same as the finches in Ecuador.
China had the most developed economic system and was culturally the most developed country. Its religion was also widely accepted and all surrounding countries looked up to China because of these cultural and religious achievements. For example, most of the area adopted their writing to their own language because they didn't have their own system of writing.