The Back-to-Africa Movement was a social and political movement in the United States during the late 19th and early 20th centuries that advocated for African Americans to return to the African continent, specifically to countries such as Liberia or Sierra Leone. The movement was fueled by the belief that African Americans would never achieve true equality and freedom in the United States due to systemic racism and discrimination.

One of the key figures associated with the Back-to-Africa Movement was Marcus Garvey, a Jamaican-born black nationalist and leader of the Universal Negro Improvement Association (UNIA). Garvey's philosophy centered around the promotion of black pride, self-reliance, and the belief in the importance of African unity. He famously coined the phrase "Africa for the Africans" and encouraged African Americans to reclaim their African heritage and identity.

Garvey's Back-to-Africa Movement gained widespread popularity among African Americans, particularly during the early 20th century. The movement inspired the creation of the Black Star Line, a shipping company established by Garvey to facilitate transportation for African Americans wishing to relocate to Africa. While the Back-to-Africa Movement ultimately did not lead to a large-scale migration to Africa, it had a significant impact on the development of black nationalism and Pan-Africanism as ideologies within the African American community.

Overall, the Back-to-Africa Movement represented a powerful expression of resistance and defiance against racial oppression and a reclamation of African heritage and identity among African Americans during a tumultuous period in U.S. history.