/u/400-rabbits has previously answered In 19th Century New Orleans, to whom were the racial terms "mulatto", "quadroon", etc, important?
/u/Georgy_K_Zhukov has previously answered a question about manumission in the American South
/u/RenardLouisianais has previously answered What impact did the Louisiana Purchase, and the change to American governance and cultural dominance, have on the lives of the enslaved people and free persons of color living in the transferred regions?