I think it’s d but I might be wrong
The Unified Command allows different jurisdictions to manage and direct activities with a single action plan together.
In the Incident Command System, it is authority, in which two or more individuals share the role of commanders of actions, each already have authority in a different agency to which it is responsible. This type of command is used when the simultaneous operation of multiple agencies and jurisdictions is required. A unique command allows agencies with different legal, geographic and functional areas to act effectively without affecting the authority of individual agencies.
Under a Unified Command, all activities are focused on a coordinated plan for an incident, and that plan governs all activities.
The event which marked the end of the ghost dances is stated as the Wounded Knee Massacre. The Ghost Dance War was an armed conflict in the US between the US government and Lakota Sioux which began in 1890 and ended by US victory.
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I think its A. but not so sure