Final answer:
The name of the union of French-speaking countries is the Francophonie. It promotes the French language and cultural diversity and aims to establish cooperation between member countries.
Step-by-step explanation:
The name of the union of French-speaking countries is the Francophonie. It is an organization of countries and regions where French is spoken as a first or second language. The Francophonie promotes the French language and its cultural diversity and works to establish cooperation between member countries in areas such as education, culture, and economic development. The International Organization of La Francophonie (OIF) is the union of French-speaking countries. It represents one of the biggest linguistic zones in the world. Members of the OIF not only share a common language but also humanist values.
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