https://twitter.com/nzingaschild/status/1399803849918107648?s=19
Tldr: during WW2 black women with husbands in the army decided to stay home and care for their own children. This made their former white bosses very upset, who proceeded to use the city government to press those women back into labor.
Black slavery is legal in 2021, so it was probably also legal in 1945