From You Tube: Simon de Montfort and the Emergence of Parliament

This is a companion piece to the previous video. While the barons had been promised the right to establish an assembly, in the Magna Carta, later kings were reluctant to actually allow them to do so. This video illustrates that point. It also tells how and why the scope pf people who could participate in parliament began to expand. Power can only be contained with power.

For more about this period of time click here: De Montfort's Parliament.