How did the North achieve victory in the Civil War?

the north achieved victory in the civil war through attrition and massive advances in several fronts . The reason was that the army had several more soldiers in the northern front as compared to the southern front which worked to their benefit .

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one of the main reasons was definitely slavery. back in 1861, republican abraham lincoln was elected and ended up being a major influence in the slavery business. slavery greatly affected the texas economy because back in 1845 during the annexation of texas, slaves became a big part of the texas population. many texans that were in favor of the secession influenced groups through party ties.