Why is learning and acknowledging our own country's language more important rather than learning other countries' language?

Maintaining your first language is critical to your identity and contributes to a positive self-concept. ... In terms of its value in social interactions, speaking your first language can strengthen ties with family members. If the native language isn't maintained, important links to family members may be lost

Explanation:

antonyms have opposite meanings, and so do those two words, so they are antonyms.