The red guards carried out the cultural revolution by persecuting intellectuals and government officials
The Articles of Confederation prevented the government from taxing, forming a defense, and provided no justice and law-making system. The Constitution formed a permission to tax and a tax regulation, allowed congress to form a defense system, and formed a bicameral legislative system. The Constitution also established the court systems and the supreme courts.
Generally speaking, it would be a "Joint Command" that has line authority to oversee the management of multiple incidents being handled by separate Incident Command organizations, since in this case different agencies are "joined" together.