Why did the north and south go to war?

The Civil War in the United States began in 1861, after decades of simmering tensions between northern and southern states over slavery, states' rights and westward expansion. ... The War Between the States, as the Civil War was also known, ended in Confederate surrender in 1865.

Explanation:

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A common explanation is that the Civil War was fought over the moral issue of slavery. ... The South wished to take slavery into the western territories, while the North was committed to keeping them open to white labor alone.

it is the code of hammurabi

b or c im pretty sure