The Function of Persian Language, as A National Language, in Producing Sustainable National Security

Security is the first demand of all societies from their political systems. Today, it has found various dimensions and components that affect all phenomena and issues of society. Designating a language as the official and national language is a common practice in all countries of the world. It is impossible to achieve sustainable security in any society without the unity of ethnic and religious groups. Language can be an important factor in national solidarity and national unity by transferring the national identity and culture of a land; hence, the present research was based on the question of “How the national security of Iran can be preserved, sustained, and promoted by national solidarity in Iran’s ethnically and culturally diverse population.” To answer this question, the hypothesis was that “Persian language has succeeded in creating national unity and solidarity and sustainable security throughout history by consolidating and transmitting the norms, self-esteem and historical and cultural foundations of all peoples, including ethnic and religious groups of Iranian society, and enhancing their sense of pride and national identity.” This research has been carried out by descriptive-analytical method and examining the functions of Persian language and its ability throughout history and the hypothesis was confirmed by deductive reasoning method after analyzing the findings