Answer:Everyone in Britain was given a gas mask in a cardboard box, to protect them from gas bombs, which could be dropped during air raids. Why did people fear that chemical weapons might be used in World War Two? Gas had been used a great deal in the First World War and many soldiers had died or been injured in gas attacks.
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I think the answer to this one is A.
I would say Polytheism(the belief in multiple gods)
Answer:
Because the Ohio River flowed westward, it became a convenient means of westward movement by pioneers traveling from western Pennsylvania.
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