What enlightenment examples can we find in the American anthem?

The evidence for enlightenment in the American national anthem would be it repeated talk about equality, brotherhood, freedom, and similar ideas. These are at the very core of an enlightened movement.

The American anthem could be a literary composition (not originally supposed to be a song) written regarding the Battle of the city, throughout the War of 1812. It names America as "Land of the free and residential of the brave".