Here the barons demanded that King John sign a document called the Magna Carta guaranteeing them certain rights. By signing the document, King John agreed to do his duty as King of England, upholding the law and running a fair government. In return, the barons agreed to stand down and surrender London.
None of the above was part of the union in that time.
The states joined at different times , with Florida and Iowa joining as the twin states, one for slavery and the other as a freed state. Wisconsin and Loisaina also joined in the 1800's.
They stirred strong emotions and intense feelings in their audience.