How did the number of factories in the North affect the Civil War?

It gave the South an economic advantage.

It gave the South a military advantage.

It gave the North a military advantage.

It gave the North a political advanuge

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The number factories in the North affected the Civil War by giving the North a military advantage since they could mass produce military equipment and et cetera faster and more efficiently rather than in the South where they were mostly using slaves which is hard human labor.