James K. Polk – 143.4
From 1845-1849, the 11th President of the United States serving was James K. Polk. With an IQ of 143.4, Polk is credited with his victory in the US- Mexican War, which occurred under his leadership. Also, his inauguration was the first one to ever be broadcasted on the news through a telegraph.
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William McKinley Jr. – 143.4
William McKinley Jr. had an IQ of 143.4 and served as the 25th U.S. President from 1897- 1901. He was the final leader during the Civil War and assisted America in its victory with the Spanish-US war. While serving, the U.S. Had major advances with Guam, Philippines, and Puerto Rico becoming territories. He also tried hard to increase the economy but lacked in areas such as just equality for American citizens.