The future American president represented Redcoats accused of murdering American patriots in an incident that helped spark the Revolution. Although a devout patriot, John Adams agreed to risk his family's livelihood and defend the British soldiers and their commander in a Boston courtroom.
The Boston Massacre was the act of British soldiers firing into a mob of Boston citizens. The next morning John Adams was in his law office in Boston. The anti-British fever in Boston was rampant. Samuel Adams and the Sons of Liberty were already calling the event the Boston Massacre.
Manifest Destiny played a role in the removal of the Cherokee because people believed it was the United States God given right to expand. This meant the Cherokee needed to leave in order for them to expand their borders westward.