The British won the battle with a great loss. The British took bunker hill from the Colonials but suffered 1,054 casualties (226 dead and 828 wounded) most of them being officers. The colonials lost about 450 with 140 being killed.
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It revolutionized the maritime industry by allowing faster travel that could now be controlled without being reliant on wind currents. Along with it being faster, you could now transport goods on larger ships through smaller bodies of water like rivers.