This meant that state secession was no longer in effect
Explanation:
States i the US had had the natural right of being able to secede from the Union as they had entered it in freewill and not as any forced encounter with the Union itself.
This changed in the Presidential Reconstruction.
This was done away under the 13th amendment after the conclusion of the long bloody war of secession in the Civil war after which it was understood that they must not allow the states to be able to do this anymore.
oxidation-reduction reaction, also called redox reaction, any chemical reaction in which the oxidation number of a participating chemical species changes. The term covers a large and diverse body of processes.
