Which answer best shows an effect of British soldiers firing upon colonists in Boston, killing five of them?

A The first shots of the American Revolution are fired, which officially starts a war between the colonies and Britain.
B The Sons of Liberty protest by dumping tea into Boston Harbor, which becomes known as the Boston Tea Party.
C Samuel Adams uses propaganda about the event to gain colonial support for the Patriots in their fight against the British.
D Delegates meet at the First Continental Congress to demand that Britain repeal the Coercive (Intolerable) Acts.