Answer: It is important to know the presence of different ethnolinguistic groups in our country because it helps to foster understanding, respect, and appreciation of cultural diversity. It also helps to create an inclusive and equitable society, where everyone can feel accepted and valued. Additionally, it helps to promote unity and mutual understanding among people of different backgrounds, which can lead to greater collaboration and cooperation. Finally, it can help to build bridges between different communities, which can lead to increased economic and social development.