Britain's victory in the Battle of Britain demonstrated the courage and resilience of the country's military and its people and allowed them to remain free from Nazi occupation. It also enabled the Americans to establish a base of operations in England to invade Normandy on D-Day in 1944.
The main way in which support for the Suffolk Resolves by the Continental Congress pushed the colonies closer to war is because this inspired people to take up arms and form groups, which eventually turned into militias.