Returning to the United States in 1932, Prophet saw her work continue to gain attention. She was invited to exhibit her art in galleries located in New York and Rhode Island. She won the Best in Show prize from the Newport Art Association in 1932. In 1935 and 1937, she participated in the Whitney Museum Sculpture Biennials, and the Sculpture International exhibition at the Philadelphia Museum of Art in 1940. "Congolaise" became one of the first works by an African American acquired by the Whitney.