James K. Polk – 143.4
From 1845 to 1849, James K. Polk served as the 11th President of the United States. He had a 143.4 IQ score. His inauguration was the first to be carried on the news by telegraph, which was unusual at the time. In the US-Mexican War, Polk is remembered for leading the country to victory. During his presidency, the United States expanded its territory thanks to the 1848 Mexican Cession and the annexation of Texas.
James K. Polk
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