Who is a witness to the Battle of Ft. McHenry and writes a famous song about it?

Francis Scott Key

The lyrics come from “Defence of Fort M'Henry,” a poem written in 1814 by the 35-year-old lawyer and amateur poet Francis Scott Key after witnessing the bombardment of Fort McHenry by British ships of the Royal Navy in the Chesapeake Bay during the Battle of Fort McHenry in the War of 1812.

. political or economical policy that isolates a country from participating in international relationships. it has been suggested that the united states participates in isolationism because of its lack of involvement in particular wars or alliances.