Why is "the star-spangled banner" important to the united states?

The Star-Spangled banner is important because it is the national anthem of the United States of America. Originally intended to be a poem, the lines (and eventually the lyrics) of the song were written on September 14th, 1814 by a lawyer in his mid-thirties, Francis Scott Key.

hope this helps:)sorry if it doesnt

The Star Spangled Banner is important to the United States because it was a poem written about the War of 1812 by Francis Scott Key. The poem conveys the victory of the United States after the war.

answer; i do believe that the answer is (c) electrolyte imbalance or (d) cessation of menstrual cycle; plz check first good luck

answer; i believe the correct answer is (117);