Yeah, the Lincoln congress was real big on constitutional responsibility. You must've skipped nolu chan's post concerning ratification of the 14th. Perhaps you might notice that roughly half the country was denied suffrage in the Senate. Please, continue to lecture us on the constitutional responsibilities of the Congress during the 1860s (and '70s).
You need not bother. It's just more fringist prattle.
"Half of the country was denied suffrage" because they supported insurrection against the lawful government. The Amendment was designed, in part, to make sure they didn't try it again.