He changed the cause of the war to a moral issue. Before the civil war was fought mainly for states rights but when the Emancipation Proclamation was issued freeing slaves the war became a moral issue therefore prohibiting Britain from supporting the Confederacy because they recently freed their own slaves and did not support slavery.
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<span>During the reign of the Roman Emperor Constantine the Great (306–337 AD),Christianity began to transition to the dominant religion of the Roman Empire. ... In 313, Constantine and Licinius issued the Edict of Milan decriminalizing Christian worship.</span>