Why was the Massachusetts militia prepared for the British ambush of concord?

The Massachusetts militia was prepared for the British ambush of Concord due to prior intelligence and warnings from local leaders like Paul Revere, who alerted them to the British march. Anticipating the British attempt to seize colonial military supplies, the militia organized and positioned themselves strategically. Their readiness reflected a growing resolve among colonists to defend their rights and resources against British aggression, marking a pivotal moment in the lead-up to the American Revolutionary War.