Answer:William Henry Harrison
Explanation:William Henry Harrison, an American military officer and politician, was the ninth President of the United States (1841), the oldest President to be elected at the time. On his 32nd day, he became the first to die in office, serving the shortest tenure in U.S. Presidential history.
, the United States did not officially join the League of Nations due to opposition from isolationists in Congress.
The significance was that these allowed goods to be transported much faster than by horse. Canals allowed for things to be imported and exported much more easily.
While there are many policies that he implemented, four policies defined his presidency. In an effort to flush the corruption out of Washington, he established the spoils system. He took a hard stance against Native Americans, forcing them to choose between assimilation or relocation with the Indian Removal Act.
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