<Tr> <Td> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> </Td> </Tr> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> <P> During the American Civil War, the Commonwealth of Pennsylvania played a critical role in the Union, providing a huge supply of military manpower, equipment, and leadership to the Federal government . The state raised over 360,000 soldiers for the Federal armies, and served as a major source of artillery guns, small arms, ammunition, armor for the new revolutionary style of ironclad types of gunboats for the rapidly expanding United States Navy, and food supplies . The Phoenixville Iron Company by itself produced well over 1,000 cannons, and the Frankford Arsenal was a major supply depot . </P> <P> Pennsylvania was the site of the bloodiest battle of the war, the Battle of Gettysburg, which became widely known as the one of the turning points of the Civil War . Numerous smaller engagements and skirmishes were also fought in Pennsylvania during the 1863 Gettysburg Campaign, as well as the following year during a Confederate cavalry raid that culminated in the burning of much of Chambersburg, Pennsylvania . The industrial town of York, Pennsylvania, was the largest city in the North to be occupied by the Confederate States Army during the war . </P>

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