Final answer:
Many Black Americans chose to settle in the Greenwood district due to the employment opportunities and economic prosperity that the discovery of oil brought to the area. Greenwood also offered a sense of self-sufficiency and autonomy through its numerous black-owned businesses. However, the district was tragically destroyed during the Tulsa Race Riot of 1921.
Step-by-step explanation:
The Black community chose to settle in the Greenwood district in Tulsa, Oklahoma for several reasons. Firstly, the discovery of oil in the area sparked a service economy that provided employment opportunities and economic prosperity for many African Americans. Additionally, Greenwood offered a sense of self-sufficiency and autonomy, with numerous black-owned businesses including restaurants, theaters, and offices of black lawyers and doctors. Unfortunately, racial animosity and business interests led to the violent destruction of Greenwood during the Tulsa Race Riot of 1921.