The Oregon Treaty, negotiated between Great Britain and the United States, settled peacefully the question of where British Canada ended and the US-controlled Oregon Territory began.
Answer:
Allied air forces mounted mass bombing raids over Germany to destroy cities and factories.
German V-1 and V-2 rockets killed many people and caused considerable damage to Great Britain.
Explanation:
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The word that would best describe the effect on each of these four groups would be regression.
