Concept:The Pan-African Congresses were meetings that united Africans and the diaspora to oppose colonial rule and promote self-determination.
Explanation:These congresses began in 1900 and continued through the 20th century.
They addressed the harmful effects of European colonisation on African people.
Their key aim was to coordinate efforts for African independence and continental unity.
They did not advocate African colonisation of Europe, nor did they support European imperialism or Asian trade alliances.
Therefore, the correct description of their purpose is the discussion of strategies for African independence and unity.
Answer:C. To discuss strategies for African independence and unity