The republican party was founded in 1854.
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The North benefited from having a much more productive economy. While the Southern economy was more agricultural and centered on cotton production, the North had begun to undergo industrialization and thus had a far more robust manufacturing economy that could produce arms and supplies. Additionally, the North was much more connected by rail than the South. The miles of rail in the North dwarfed the South which meant the North could move troops and supplies far more effectively to the battlefront. And finally, the North benefited from the fact that it was entering a slave-owning territory. The South was largely unable to prevent its enslaved population from undertaking sabotage or fleeing to the Union lines.
Answer:
They wanted to expand their terratory
Explanation:
Since the US was almost complete, and only a few indian tribes lived in plantations made by the US goverment. The goverment wanted to make America whole so that is why they decided to wage war in the 19th century.