American eagle swooping to guard the Atlantic, 1917. Artist: Unknown

American eagle swooping to guard the Atlantic, 1917. Artist: Unknown

1-151-979 - Ann Ronan Picture Library/Heritage-Images

American eagle swooping to guard the Atlantic. Cartoon from Punch, London, 18 April 1917 at the time when America promised to assist Britain in patrolling the Atlantic to prevent the sinking of shipping by the German navy.

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