everthing haha
If a state leaves the union, it is said to secede.
secede
secede
secede
The term for owning 100 shares of stock is called a "round lot."
Since you use the term "slave state" I assume you mean at the start of the civil war. They all were states by 1861. The US went from East coast to West coast.
The slave states were known in the North as "rebel states," but are officially known collectively as the Confederate State of America.
In social studies, secede refers to the act of a group or region breaking away from a larger political entity, such as a country or state, to become independent. This term is often used in the context of Civil Wars or movements for self-determination.
look some where else.
to leave the official term is secede
A State is said to secede [pronounced si-seed] from the Union. The term can be used for the act of leaving any federated organization, alliance, or political organzation.
The term used to describe someone who is no longer a slave is "freedman" or "freedwoman."