Earlier quoted context omitted.
And does Brazil have their own 13th amendment that allows them to use prison labor as their modern slave workforce?
It's called penal labor, and it was and remains widespread around the world. (And, yes, Brazilian law requires mandatory labor for all prisoners.) It wasn't until the middle to late 20th century that countries began to reform penal labor. But it's complicated. Without penal labor you can't force prisoners to, e.g., do laundry or mop floors. Even mandatory community service is a form of penal labor, and you can still…
> Section 2. Congress shall have power to enforce this article by appropriate legislation.
The 13th amendment specifically mentions penal labor as an exempt form of slavery.
Take your criticism to the authors of the 13th amendment, not the people who bothered to read it.