What is the official language of the United Nations?

The correct answer highlights that the United Nations recognizes six official languages: Arabic, Chinese, English, French, Russian, and Spanish. This multilingual approach is significant as it ensures that the organization can communicate effectively with its diverse member states and enables participation from countries around the world. Each of these languages is used in UN meetings, documents, and reports, allowing for inclusivity and ensuring that various cultures and nations can engage in diplomatic dialogue.

While there are options suggesting fewer languages, they do not fully represent the UN's commitment to linguistic diversity and its operational needs, which necessitate a broader scope to address the global population effectively.