Does that not mean that they have their citizenship granted by law and therefore they cannot be natural-born citizens?
No. It does NOT mean that. means it was an Amendment. Not a law.
We The People and the States are involved in Amendments. The 13th/14th/15th were not laws. The fact that they were not mere laws is the entire point that some cannot grasp.
Power flows from ( God ) => People => States => FedGov
Slaves were NOT made whole by Congress, they were made whole by We The People.
This is the clue that should prevent people from looking into statutory law to decide if some candidate is a NBC.
Does that not mean that they have their citizenship granted by law and therefore they cannot be natural-born citizens?
No. It does NOT mean that. means it was an Amendment. Not a law.
... So depending on exactly what you were trying to ask I'm not sure I replied correctly.
Let's put it this way. On the surface this part of your statement is perfectly true that since they have their citizenship granted by law and therefore they cannot be natural-born citizens.
That is precisely the point that everyone is missing! It is simple ... citizenship granted by law is a plain old citizen, of course that is not a natural born citizen.
Can you please clarify what you meant in #115.