But whatever they did, it was by concerted action, after a definite design. It was clear that this was a preconceived, concerted 229 movement. Ah, thought I, this then is a concerted measure to induce my mother to leave town. In time, no doubt, this would lead to concerted social action. As a party they made no concerted effort to nominate candidates. And the concerted plan had been to hang him on Boston Common. How long it will take to perfect this, and get ready for a concerted movement, I have no idea. It was evident that there was no concerted movement among them.
Once again, we see that domestic terrorism is a far greater threat to the democratic society than international terrorism. Following the same trend as the UK, the primary motivation for terrorism in the U.S. was extremism with 71% (92 events) of all cases.
In the US, domestic terrorism means the ostensible perpetrators were born or at least raised in the US. While I can't address most domestic terror acts. I urge you to at least check out the information from Wolfgang Halbig, former Florida state trooper and former school principal, Sandy Hook Justice - Sandy Hook Justice.