The relationship between national language & national identity and its role in national security

1) Background: The present study aimed to investigate the relationship between language and national identity and its role in national security. 2) Materials & Methods: This research used a descriptive-analytical and review method. Initially, 48 articles related to the components of national language, national identity, and national security were downloaded from various sites. Initially, and topics related to the research were extracted. 3) Findings: The results of this research showed that the national language and national identity have an inextricable relationship and link; because the strengthening of each lead to the strengthening of the other and both components play a fundamental role in providing national security; because when language acts as an element of identity for society and plays a role in national cohesion, it moves towards ensuring national security. Also, the existence of a relationship between the national language and national identity on the one hand, and national security, on the other hand, indicates that recognizing the impact of language on national security leads to greater attention being paid to the influential aspects of language on national security, and on the other hand, it leads to Society should be aware of the linguistic challenges it faces, especially regarding the languages ​​of ethnicities and minorities, and should know the solutions to confront them. 4) Conclusion: Since national security is the most basic and inevitable vital necessity of every country, and without it, freedom, development, and progress of any society or country are not possible, ensuring national security requires the expansion of the national language and strengthening of the foundations of national identity.