The constitutional provision that is common to the Terminiello v. Chicago and Schenck v. United States is the Free speech clause.
The case in Terminiello V. Chicago was due to the fact that a Catholic priest had made some remarks that were considered to be inflammatory.
The Schenck v. United States was a case that involved two citizens that shared leaflets that encouraged people not to agree to be drafted by the military.
Interest groups may want to cause disputes and further their agenda by trying to safe guard the interest of the public with the assurance that the 14th amendment covers them.
Read more on the free speech clause here:
https://brainly.com/question/24485791