...Boston harbor in response to the Boston Tea Party, was a milestone, as it resulted in the colonies forming an Association (First Continental Congress) to boycott British goods in retaliation. The open warfare at Lexington and Concord (1775) resulted in the death of 8 American men and 70 British soldiers. This was followed by all the 13 colonies meeting to form the Second Continental Congress in May 1775 and George Washington was named the head (Gipson, 1954). Thus the growing grievances of the colonists against the restrictions placed by the British, finally resulted in the American Revolution.
Gipson, L. H., (1954). The Coming of the Revolution, Harper Publications, New York... Historical...