Although holding a territory can prove costly in terms of the energetic outlay necessary to defend or advertise the territory, territory ownership imparts benefits that offset those costs. the primary benefit of territory ownership is

The primary benefit of territory ownership is "exclusive access to the resources within the territory"

Explanation:

A territory is an area, containing certain resources that is controlled by an individual or a country.

Although it may prove costly to defend a territory from intruders, whoever owns or is in control of the territory has priority over, and unlimited access to, the resources within that territory and can utilize them as he/she chooses.

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