Answer:The correct aspect of the United Nations among the options is "is funded only by voluntary dues" (A).
The United Nations doesn't have the authority to enforce laws in any country. It can only recommend that certain treaties, which it helps to create, be respected through actions it can help technically to design.
UN was created in wartime as a means to find and keep peace in the world. It also promotes international cooperation and friendly relationships. It does have a military, which is composed of voluntary men and women from different countries, but it's size changes according to each mission.
Although it might encourage international trade since it encourages peaceful relations, it's prime objective doesn't concern trade. The organization responsible for promoting international trade would be the World Trade Organization.
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