What are the general facts about the star spangled banner?

The United States national anthem is "The Star Spangled Banner". This song's lyrics originated as a poem written in 1814 titled "Defence of Fort McHenry" written by Francis Scott Key. He wrote the poem after watching British ships bombard Fort McHenry in Chesapeake Bay during the War of 1812.

Explanation:

The United States national anthem is "The Star Spangled Banner". This song's lyrics originated as a poem written in 1814 titled "Defence of Fort McHenry" written by Francis Scott Key. He wrote the poem after watching British ships bombard Fort McHenry in Chesapeake Bay during the War of 1812.

offline recommendation systems option b

because recommendation systems produce a list of two ways

1. through collaborative filtering

or

2. through content-based filtering