She changed the way in which several related disciplines are researched and taught, adding to scholarly understanding of the diverse origins of cultures throughout the Americas.

She earned recognition in academia, and has been featured in The New York Times, People Magazine, ABC News, BBC, and other popular outlets for her contributions to scholarship, genealogy, and the critical reevaluation of the history of slavery.

[2] Hall was also Professor Emerita of Latin American and Caribbean History at Rutgers University in New Jersey, where she taught for 25 years.

She was active in the 1948 presidential campaign of Henry Wallace, the Progressive Party candidate, working in New Orleans, rural Louisiana, and Atlanta, Georgia.

After years of political activism and marriage, Hall completed some of her academic studies outside the United States, which gave her broader insight as she acquired fluency in French and Spanish and could use archives in other countries.

While a doctoral graduate student at the University of Michigan, Hall published an article advocating medical treatment for heroin addicts: "Mechanisms for Exploiting the Black Community", The Negro Digest, November 1969.

[6] She chaired the Defense Committee for civil rights leader Robert F. Williams when he was extradited from Michigan to Monroe, North Carolina, in 1975.

[8] When she moved to Michigan, Hall worked in Detroit during 1965 and 1966, often with Grace Lee Boggs, as a temporary legal secretary.

engineered the eviction of Hall and her two young children from three apartments which she rented in Michigan during her first year: two in Detroit and one in Ann Arbor.

[8] She persisted in completing course work and her Ph.D. dissertation for her doctorate, which was published as Social Control in Slave Plantation Societies: A Comparison of St. Domingue and Cuba (1971) by Johns Hopkins University Press.

She discovered significant colonial data in courthouses in Pointe Coupee Parish and others in Louisiana, and also used national and state archives in France, Spain and Texas.

In 2010, Hall accepted a position as Professor of History at Michigan State University, where she devoted most of her time to Biographies: The Atlantic Slave Database Network.

Hall's work has been distinguished by her use of original language archives in France and Spain, as well as of records in Latin America, providing a broad base for comparison of slavery in different societies.

He was a political activist, member of the Communist Party, USA, and theoretician of self-determination for the African-American nation of the Deep South.

Between 1953 and 1964, Hall collaborated with Haywood in freelance writing about theoretical aspects of the civil rights and black protest movement in the United States.