Answer:
Through Paul Revere and William Dawes.
Step-by-step explanation:
General Thomas Gage send a message to the colonists through two Americans named Paul Revere and William Dawes once he arrived to the colonies. He was send by the British empire in order to crush the patriots present in the British colonies. Paul Revere and William Dawes warns the people of colonies about the arrival of British army. So General Thomas Gage send a message of warning through Paul Revere and William Dawes.