In line 4, why does the poet use hyperbole to describe the shot? 1. to reveal where

In line 4, why does the poet use hyperbole to describe the shot? 1. to reveal where in the world the shot was fired
2. to emphasize that the shot had widespread significance
3. to show that every person in the worlghould hear the shot
4. to use the shot to symbolize the universal nature of war
(line four says "And fired the shot heard round the world")