The correct answer to this open question is the following.
Although there are no options attached, we can say the following.
In addition to the destruction of resources, war is used to maintain order in The Party and keep members controlled.
In the futuristic book "1984," written in 1940 by English author George Orwell, the Party exerted total power and control over the citizens of Oceania. All aspects were covered by the Party: politics, the economy, and social life. For this to happen, the Party had first to control the mind of the people through capturing and controlling the emotions and feelings of the citizens.