The political and cultural history of Africa spans from the emergence of modern humans to contemporary times, marked by the rise and fall of diverse kingdoms and empires like Ancient Egypt, the Mali Empire, and the Kingdom of Kongo. Key periods include the pre-colonial era with its rich oral traditions, the Bantu expansion, and the Age of Exploration, which transitioned into the colonial period defined by the Scramble for Africa and arbitrary borders. The post-colonial era has been shaped by the struggle for independence and the challenges of nation-building, while cultural history is characterized by a vast array of languages, religions, and social structures that continue to evolve.