Answer: Wanted to expand westward but were not allowed to.
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An economy that is based on mining or producing raw materials to be used in foreign industries is called an "extractive economy", since it is "extracting" such resources. It can also be called a "resource-based" economy.
Answer:
The answer is Dunkirk.
Explanation:
British troops were right near the Belgium-France border where the Germans encircled them through the Ardennes Forest.