The correct answer is: hierarchical with a defined class structure.
Explanation
Hierarchical with a defined class is the option that best describes Songhai's society.
Moreover, a hierarchy refers to a way of categorization of people in a society based on income, power, education, race or dominance over other people, in which the members who are above are superior or can rule those below them. In this case, Songhai society used to work in that way.
Uncle Tom's Cabin; or, Life Among the Lowly is an anti-slavery novel by American author Harriet Beecher Stowe. Published in 1852, the novel had a profound effect on attitudes toward African Americans and slavery in the U.S. and is said to have "helped lay the groundwork for the Civil War".
Answer:
Society need to have before the division labor is the Food Surplus