<big>Key military factors in the Civil War, which can be seen as dominant in the outcomes at various points of the Gettysburg Campaign:<ref name=":0" /></big>
<big>Key military factors in the Civil War, which can be seen as dominant in the outcomes at various points of the Gettysburg Campaign:<ref name=":0" /></big>
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* doctrine (FE) - the superiority of defense to offense
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* [[US Civil War doctrine debate|doctrine]] (FE) - the superiority of defense to offense
* organization ([[Force Generation|FG]], FM, [[Force Sustainment|FS]]) - force mass of a scope not seen before
* organization ([[Force Generation|FG]], FM, [[Force Sustainment|FS]]) - force mass of a scope not seen before
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* RMA (FD) - technology such as the telegraph, railways, and rifled musket as well as organization like improved methods of field fortification that created invulnerability to frontal assaults
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* RMA (FD) - technology such as the [https://www.essentialcivilwarcurriculum.com/the-telegraph.html#:~:text=For%20the%20first%20time%20in,factors%20in%20the%20North%27s%20victory telegraph], railways, and rifled musket as well as organization like improved methods of field fortification that created invulnerability to frontal assaults