Under a landmark federal law enacted in 1968, a (an) may be defined as an act of violence by one or more persons part of an assemblage of three or more persons that results in property damage or personal injury.

The answer is riot
In united states, the people who's taken by the police because of the riots will receive a really wide range of punishment.
This punishment usually based on the amount of damage or how big an involvement that the person held wihtin the riot.

Water(like when there is a hurricane)some foods(not enough for everyone)