>That's not free labor. It's government coercion, again.

That was the definition of "modern slaves", HOW you force people to be slaves is really not important.

https://www.antislavery.org/slavery-today/modern-slavery/

>???

Rubber -> Car-tires from

https://en.wikipedia.org/wiki/Congo_Free_State

>None of them have been able to compete in the free market.

If you can sell your good's at the cheapest prices you compete very well in the "free market", there is also coltan in Brazil, Australia and China, but DRC sells the cheapest.

https://globalforestcoalition.org/the-dark-side-of-technolog...