[Ditto]

I interpret this as meaning that legal slavery was not the sticking point over which they were fighting.

The expansion of slavery was why the South took up arms. Preserving the Union was why the North took up arms.

[DiogenesLamp]

The expansion of slavery was why the South took up arms. Preserving the Union was why the North took up arms.

By what natural law principle was it necessary to preserve the Union? Why must a wife be forced to stay with her husband if she doesn't wish to do so?