Yes. Parts of the Confederacy did.
They seceded, 11 of 13 to be exact. They said they were no longer part of "The United States" and they continued with their way of life which included the keeping of slaves and slave labor.
They didn't think it was wrong when they were part of it and sure as heck didn't think it wrong when they had seceded.
At least until Lincoln came out with his Emancipation Proclamation. And even then some slave owners- most plantations were destroyed by the Civil War- did not follow it. A few did though
Everything was part of the colonial economic system: the overseas territories supplied raw materials to the metropolis and these often sold the manufactures they produced under a monopoly regime to their colonies. With the passage of time, these practices were banned in the different countries that carried them out. Or at least officially, since unofficially the slave trade continued well into the nineteenth century, practically until the last colonial territories obtained independence or achieved a more rigorous political status within the State than that of a mere colony.
The answer is D
Hope this helps you
magsikap,bigyan ang mga Bata ng pag aaral,