Option A. Boston Massacre was the event which occurred first among the given options.
Explanation:
It was the most dangerous and brutal riot that included bloodshed. It started as a petty scuffle on the streets between American Colonists and British Soldiers in the Kings Street. The massacre happened in 1770
American colonists were frustrated of the British soldiers’ supremacy and four soldiers were killed in. This riot paved way for the American Revolution.
The American colonists started to rise against the British troops for American independence.
