The U.S. has a long history of troop deployments against protest movements, from the U.S.’s crackdown on the civil rights movement to the infamous shooting and killing of anti-war protesters at Kent State.

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The U.S. has a long history of troop deployments against protest movements, from the U.S.’s crackdown on the civil rights movement to the infamous shooting and killing of anti-war protesters at Kent State.

However, while the National Guard has been deployed against U.S. activists numerous times throughout history, historians say that the deployment of active duty Marines against Americans is unprecedented, and an escalation of anti-protest tactics at a time when Trump is grasping at every opportunity to seize power, suppress dissent and push the U.S. toward martial law.