They wanted to be free under King Georges ruling, because he overtaxed and created rules the colonies didn’t like and instead wanted freedom.
The proclamation of 1763 which restricted the 13 colonies past the Appalachian Mountains, which angered colonists and mainly started the revolutionary war.
The Boston Massacre which ended in 5 troops killed by redcoats due to harassment while colonists were angered by taxing and things such as the sugar act and stamp act.