The 10th Amendment was never repealed, de facto or de jure.
Today it is more honored in the breach than in observance, but the reason is not Lincoln.
The reason is that states are far too eager to feed at the Federal money trough, for them to object to any conditions Big Government might put on taking its "free goodies".
Before states can enforce the 10th Amendment, they must first be willing to turn down Federal "free money".
Do you know of any who routinely do that?
The power delegated to the federal government was significantly expanded by amendments to the Constitution following lincoln's illegal war and the states became legally subject to the final dictates of the federal government; hence the de facto repeal of the Tenth Amendment.
Today it is more honored in the breach than in observance
That would be, in effect, a de facto repeal.
but the reason is not Lincoln.
Most honest historians will disagree with you:
The reason is that states are far too eager to feed at the Federal money trough, for them to object to any conditions Big Government might put on taking its "free goodies".
The real reason is lincoln's consolidated and absolute government.
Before states can enforce the 10th Amendment, they must first be willing to turn down Federal "free money". Do you know of any who routinely do that?
How can they when they're under the thumb of lincoln's consolidated and absolute government?