The Universal Negro Improvement Association (UNIA) was a prominent organization founded by Marcus Garvey in 1914. The UNIA was dedicated to promoting unity and self-reliance among people of African descent worldwide, with the ultimate goal of advancing the economic, social, and political conditions of Black people.

One of the key principles of the UNIA was the concept of Black nationalism, which emphasized pride in African heritage and the belief in the need for self-determination and independent political and economic power for Black people. The organization also advocated for the repatriation of African Americans to Africa, specifically to Liberia, as a way to escape racial oppression and build a new society based on Black self-governance.

Under Garvey's leadership, the UNIA grew to become one of the largest and most influential Black-led organizations in history, with millions of members around the world. The UNIA published newspapers, organized social events, established businesses, and promoted the rights and empowerment of Black people in various aspects of life.

Although the UNIA faced internal challenges and external opposition, it left a lasting legacy in the history of the Black freedom struggle and continues to inspire movements for Black empowerment and self-determination to this day.