Respuesta :
The group must all speak the same language is NOT an international requirement for a nation-state to be recognized.
What is international law?
The set of laws, norms, and standards commonly acknowledged as binding between nations is known as international law, also known as International Ethics, public international law, and law of nations.
It sets normative norms as well as a shared conceptual framework for governments in a variety of areas, including war, diplomacy, trade, and human rights.
International law seeks to support the development of international relations that are stable, consistent, and well-organized.
Thus, option A, The group must all speak the same language. is correct
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