The American Revolution was a very important thing that happened in history. John Adams played an important role in the American Revolution. He Adams was a strong proponent of reasoned appeals for justice and formal protest, rather than mob action, he helped navigate the Treaty of Paris which officially ended the American Revolutionary War, and he played a role in persuading congress to declare independence. Adams was well known for his brilliant mind and passionate patriotism. He was a leader in the Continental Congress and an important diplomatic figure, before becoming America's first vice president. Adams was a young lawyer at the time. One of his most important cases was opening fire on the which would later become the Boston Massacre.