What led british shoulders to fire on boston towns people on march 5,1770

It may not be right but the boston massacre was a street fight that occurred on march 5 1770 between a "patriot" mob, throwing snowballs, stones, and sticks, and a squad of British soldiers. Several colonists were killed and this led to a campaign by speech-writers to rouse the ire of the citizenry.

c) troops march forward in close formation against newer, more accurate weapons