<span>The main impact of the completion of the Panama Canal was to increased world trade.</span>
Explanation:
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One of the main reasons Hoover lost the election of 1932 was that voters were angered by protectionist measures that inhibited foreign trade. Option B is correct.
During the elections held in 1932, Hoover was defeated by a large margin by Democrat Franklin D. Roosevelt. One of the main reasons which led to this result was that the United States' economy after the Great Depression was weak and in shambles.
Herbert Clark Hoover was president of the United States from 1929 to 1933.
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