Answer:
Explanation:
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U.S is a large land and powerful so they are involved in many historic events. Plus they have different resources and goods.
Answer:
What?
Explanation:
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in that paragraph, the expression Mounting evidence could be a bit confusing, but it indicates that there's been reaserch about it before, and that it all points in the same direction, the more research proving the same point means the data is convincing. The answer is D.
I think it's a pun (basically a joke that is related to a specific word, like its meaning or sound) - because it's wordplay about light vs heavy