Question

What does the line Britannia droops the pensive head imply in the poem to his excellency general Washington

Answer 1

This line implies Great Britain and the British Empire by using the term "Britannia".
The Empire is old as insinuated by the words "drooping" head.
Addressing this to Washington is showing the general that the nation of Britain, and it's empire is old...
The next lines show that it is responsible for a lot of death and destruction.

Answer 2

Answer:

The line implies gloom in Britain as a consequence of impending defeat in the war and shame for the misdeeds committed before the war.

Explanation

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