Before revision: The polysynodial system met its demise in the wake of the promulgation of the Nueva Planta decrees by the incoming Bourbon dynasty in the early 18th century , which organized a system underpinned by Secretaries of State.
After revision: The polysynodial system met its demise in the wake of the promulgation of the Nueva Planta decrees by the incoming Bourbon dynasty early 18th century in the , which organized a system underpinned by Secretaries of State.