how did he become famous?

http://www.whitehouse.gov/history/presidents/jp11.html

To find out how a person becomes famous, it is important to gather information about their life and achievements. In this case, the link you provided directs to the official White House website, specifically about President James K. Polk.

To understand how President Polk became famous, follow these steps:

1. Open the link to access the White House webpage.
2. Scroll through the page to find relevant information about President James K. Polk.
3. Look for sections that highlight his achievements, career, and contributions to the nation.
4. Pay attention to any noteworthy accomplishments, such as his role in the Mexican-American War, his efforts to expand U.S. territory, or any significant policies he implemented during his presidency.
5. Take note of any specific events, decisions, or actions that may have gained public attention and contributed to his fame.

By following these steps, you should be able to gather information about President Polk's journey to fame and the reasons behind it.