The African diaspora, also referred to as the African Black diaspora, is the voluntary and involuntary movement of Africans and their descendants to various parts of the world. Even though voluntary widespread African diasporas occurred during precolonizing periods, the Arabic slave trade (7th to 18th centuries) and the transatlantic slave trade (16th to 19th centuries) are largely recognized as phases of involuntary movement with an estimated combined 30 million Africans dispersed across the African continent and globally. Today, the largest populations of people descended from Africans forcibly removed from Africa reside in Brazil, the Caribbean, and the United States, with millions more in other countries. Such vast movement of a people across time and space has meant that those who are part of the African diaspora have suffered similar problems and disadvantages. The legacy of slavery, especially in relation to racism and colonialism, has garnered attention across the scholarly disciplines of history, ethnic, cultural, and religious studies. Likewise, African and Black diasporan responses to colonial oppression have manifested in multiple curricula in literature, music, philosophy, politics, civilization, customs, and so forth, designed for and by African diasporans in their efforts to unite all people of African descent, building on their cultural identity and resisting racist ideology and colonial rule.