What was the direct cause of the American colonists' retreat from their fortified position during the Battle of Bunker Hill?

The arrival of British reinforcements.

A surprise flanking maneuver by the British.

A tactical order from their commander.

They exhausted their supply of ammunition.

What was the primary strategic reason for the colonial militia to fortify the hills overlooking Boston prior to the Battle of Bunker Hill?

To build a permanent headquarters for the Continental Army.

To control high ground that threatened the British forces occupying the city.

To create a safe retreat path for civilians fleeing Boston.

To signal their peaceful intentions to the British navy in the harbor.

failed to capture any colonial leaders.

expended too much of their financial reserves.

suffered significantly more casualties than the colonists.

lost the political support of the British Parliament.

That colonial militias were poorly trained and would flee easily.

That defeating the Patriots would be a difficult and prolonged struggle.

That naval power was the key to winning the war in the colonies.

That the colonists had superior weaponry and artillery.

A swift and decisive victory for the British with few casualties.

A naval bombardment that forced an immediate colonial surrender.

A fierce battle where British troops had to make multiple charges to take the hill.

A long siege where the colonists were starved into submission over several weeks.