Why is the lawyer and poet Francis Scott Key significant to American history?

Why is the lawyer and poet Francis Scott Key significant to American history?

Key drafted the Treaty of Ghent ending the War of 1812

Key developed a factory system in Massachusetts

Key served as vice president with President James Madison

Key wrote the Star-Spangled Banner

Key wrote the Star-Spangled Banner, which eventually became the national anthem of the United States. His poem, inspired by his experience witnessing the British bombardment of Fort McHenry during the War of 1812, was set to music and became a popular patriotic song. The Star-Spangled Banner was officially adopted as the U.S. national anthem in 1931, making Key's contribution significant to American history.