What is the meaning of through perilous fight ramparts we watched Were so gallantly streaming star bangle banner?

The lines "through perilous fight ramparts we watched were so gallantly streaming star bangle banner" describe a scene of bravery and patriotism during a battle. The "star bangle banner" refers to the American flag, which is often referred to as "Old Glory" or the "Star-Spangled Banner." The scene is likely taking place during a war, and the speaker is describing the courage of the soldiers who are fighting for their country. The phrase "perilous fight" suggests that the battle is intense and dangerous, and the "ramparts" refers to the fortifications that are being defended by the soldiers. The words "so gallantly streaming" indicate that the flag is waving proudly in the wind, symbolizing the determination and spirit of the soldiers who are fighting under it. Overall, the lines evoke a sense of national pride and patriotism, and depict a moment of triumph during a difficult struggle for freedom or independence.