"[...] it is generally accepted that the Civil War was fought over the issue of slavery. That, at best, is a half-truth. Slavery was an issue, but the primary force for war was a clash between the economic interests of the North and the South. Even the issue of slavery itself was based on economics."

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Man has been called a rational being, but rationality is a matter of choice... Man has to be a man-by choice; he has to hold his life as a value-by choice; he has to learn to sustain it-by choice; he has to discover the values it requires and practice his virtues by choice. A code of values accepted by choice is a code of morality.

— Ayn Rand