Answer:
The event in Boston helped to unite the colonies against Britain. What started as a minor fight became a turning point in the beginnings of the American Revolution. The Boston Massacre helped spark the colonists' desire for American independence, while the dead rioters became martyrs for liberty.
Explanation:
I'd say that they got it from exploration, really.
It has been proven that in the eyes of the british, the american colonies only existed to benefit britain economically.
I hope my straight forward explanation can answer your question :)
