The colonists at Lexington and Concord were alerted that the British were going to confiscate the colonists weapons when they arrived so they fought due to the fear of the British gaining leverage on the colonies by disarming them
Answer:
When there are smaller units, the country can send those out instead of the larger ones.
Explanation:
This can both save on military resources for less-critical fights in wars as well as forcing the enemy to let down their guard.