For me it would be Nelson Mandela,the man who was the start of the Mandela affect.That’s only because I study about him though.
I think it might be Freedom of Speech, not really sure though.
They were all formed on religion to give religious freedom to certain practicing religions. Maryland was formed for Catholics, Massachusetts was formed for puritans, and Pennsylvania formed for quakers.
It was invented by the Sumerians, so it would be Sumer
President Lincoln.
The Secession were basically the Southern states that withdrew from the Union to form the Confederacy.