> It had them in 1940. It had them in 1840

Yea, and they were way more successful at it in 1940 than 1840. Are you accounting for all the times they tried to enforce their authority but ultimately failed?

> And that tool is known as the monopoly on violence.

No one has a monopoly on violence. What they really have is called "qualified immunity."

In this particular instance, though, their violence is particularly enabled by cheap technology and computing power.