What was the significance of heavy british losses at the battle of bunker hill

The battle was a tactical victory for the British, but it proved to be a sobering experience, involving more than twice the casualties than the Americans had incurred, including many officers. The battle demonstrated that inexperienced Continental militia could stand up to regular British army troops in battle.

Explanation:

the american revolution was by the middle and upper class, and the french was by the lower and middle class.