One way in which high tariffs negatively affected the global economy during the Great Depression was that "<span>B. They isolated countries' economies, drastically reducing international trade," since this led to a sharp decrease in exports. </span>
I believe that answer is (C)
Hope that helps!
There are two types of lenses convex and concave. Convex lensesare lenses that curve outwards, they converge parallel light rays to a focal point. Concave lenses are thinner in the middle and thicker at their edges. Concave lenses diverge parallel light rays away from each other.
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