What difference does it make that the speaker does not refer to a specific location but instead to “the land of the free and the home of the brave”? How does that change the significance of the flag?

pls include the text ur reading

1.the hosts on two opposing mountains stood,  

2.thick as the foliage of the waving wood;  

3.between them an extensive valley lay,  

4.o'er which the gleaming armour pour'd the day,  

5.when from the camp of the philistine foes,

6. dreadful to view, a mighty warrior rose; in the dire deeds of bleeding battle skill'd,

can you give us the passage> ?

explanation: