(a) National integration; is a process of creating a sense of natural consciousness, unity of identity and loyalty among people with different socio-cultural identities (racial, ethnic, language, religion etc into a single territorial political society. Or National integration is the coming together of various tribes, ethnic, etc to become one entity.
(b) Ways of promoting national integration:
(I)Encouraging Nigerians to be patriotic: This may be described. as having or expressing a great love of one's country. it expresses loyalty and devotion to a nation. Any citizen that is patriotic is the one that love his country and is willing to defend it.
(ii) Encouraging inter-ethnic and inter-tribal marriages: This should be encouraged. This will facilitate national growth and development. For example a Yoruba man from Oyo State going to Imo State to get married to an lgbo girl is a way to promote national integration and unity.
(iii) Co-operation: This is an act of working or acting together to achieve a common goal or result that is good for them. For a nation to succeed, such a nation needs full co-operation of every citizen.
(iv) Nationalism: nationalism is the act of promoting national interest. In other word, nationalism is the belief held by the citizens of a particular country that their own country is better than other countries. Nationalism is one of the attributes of promoting national integration.
(v) Promoting religious tolerance: This is the willingness to allow people to do or say or believe what they want without criticizing them. If people in a country can tolerate themselves and their government, the country will witness peace and that will go a very long way to promote national integration.