In the section of the article, the idea that highlights that people with different beliefs worked together is this: United Nations begins celebrating the day on March 8.
An article is a dedicated word used with noun phrases to mark the particular identity of the noun phrases. They can also be seen a piece of writing with identifiable noun phrases.
In the articles, United Nations celebrating women's right on March 8, shows unity of different people in identification and promoting of women's right. It shows Unity of purpose in promoting women's right.
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