 Complete the following phrase:  Meanwhile, the 40th Infantry Division doubled to 4,000 troops of the California Army National Guard continued to move into the city in Humvees; eventually 10,000 Army National Guard troops were activated. That same day, 1,000 federal tactical officers from different agencies across California were dispatched to L.A. to protect federal facilities and assist local police. This was the first federal law enforcement response to a civil disorder in any U.S. city since the 