"These semi-traitors [Union generals who were not hostile to slavery] must be watched. Let us be careful who become army leaders in the reorganized army at the end of this Rebellion. The man who thinks that the perpetuity of slavery is essential to the existence of the Union, is unfit to be trusted. The deadliest enemy the Union has is slavery - in fact, its only enemy."

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Republics demanded virtue. Monarchies could rely on coercion and "dazzling splendor" to suppress self-interest or factions; republics relied on the goodness of the people to put aside private interest for public good. The imperatives of virtue attached all sorts of desiderata to the republican citizen: simplicity, frugality, sobriety, simple manners, Christian benevolence, duty to the polity. Republics called on other virtues--spiritedness, courage--to protect the polity from external threats. Tyrants kept standing armies; republics relied on free yeomen, defending their own land.

— James Monroe