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.

ww1 weapons: tank. tanks were used for the first time in the first world war at the battle of the somme. they were developed to cope with the conditions on the western front. the first tank was called 'little willie' and needed a crew of 3.