How did pan african movement happen

Pan-Africanism is a worldwide movement that aims to encourage and strengthen bonds of solidarity between all indigenous and diaspora ethnic groups of African descent. ... Based on the belief that unity is vital to economic, social and political progress and aims to "unify and uplift" people of African descent.

becasue in the south they disallowed slavery but in the north slavery was illegial this boilled into because mexico wanted slavery

answer: 25.8 years old or 25 years old