1·In the period of the OAU, there were Pan-Africanism, state nationalism and local nationalism.
非统时期，非洲存在三种形式的民族主义，即泛非主义、国家民族主义和地方民族主义。
2·Du Bois held oriflamme of pan-Africanism high and devoted himself to African Negroes liberation, so that he was the thesaurus of pan-Africanism in a long time.