Operations and activities that are conducted to enable a resistance movement or insurgency to coerce, disrupt, or overthrow a government or occupying power by operating through or with an underground, auxiliary, and guerrilla force in a denied area are known as it is a core activity of special operations forces.

The answer is: Unconventional Warfare

Explanation:

Unconventional warfare instills a belief that without compromise, security and peace can not be achieved. It can be described as the support of a resistance movement or insurgency against the government and an attempt to indirectly achieve victory by proxy force. It operates through the auxiliary, underground, and guerrilla force in a denied area.

Unconventional warfare can be used to overthrow, disrupt the operations and coerce the occupying power or government.  

the answer is:

c. economic output

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