Why Was Abraham Lincoln Called The Second American Revolution?

Many myths surround the American civil war including one that tells us Abraham Lincoln freed the slaves with just a movement of his pen. But was it him who went into war with millions of soldiers? The military were the ones who did everything they could to help free the slaves. Although Abraham Lincoln did issue the emancipation proclamation, it only freed slaves on paper but he did not go fight the war to actually free the slaves. He was pushed by the logic of winning the war against the confederacy, so he issued the emancipation proclamation.
The Union victory led to the eradication of slavery and gave wealth to the United States. The second american revolution was accomplished with the sacrifices of millions of men and women. And if