Answer:
It was a law based on enslaving the African Americans to work for low wages and restricted their freedom.
Explanation:
The Black Codes were laws passed in 1865 and 1866 by Southern states in the United States after the American Civil War in order to restrict African Americans' freedom, and to compel them to work in a labor economy based on low wages or debt.
d is the answer
a
Banks provided loans to trading companies.
