Roman Classes
They feared that the republic was in danger of collapsing, so they agreed to share power with the plebeians.
They could not hold public office or lead the public ceremonies that honored the gods of Rome
This class left Rome to create a government of their own because they were so frustrated at not having power in Rome's government.
According to the Duckster's site, a third of Rome's population were members of this class
Year the Council of Plebs was given the right to pass laws for all Romans.