about to erupt. across the river british commander thomas gage watches as general william howe drives his troops toward the cloolonial frt line. >> the americans fortify the top of the hill so that they can have an advantageous position of the british and in way that the british weren't anticipating. >> dr. joseph warren, president of the massachusetts provincial congress and soon to be general joi joins his fellow volunteer in the trenches. >> when liberty is the prize, to redeem our right and privilege. >> these fellows say we won't fight. i shall die up to my knees in blood. >> forward, march! here they come!