He campaigned for making slavery illegal in new states. He imagined that by keeping slavery to the South, it would "certainly die a slow death," preserving the Union and gradually eliminating slavery.
Is slavery still a thing?
According to estimates, up to forty million people worldwide are enslaved in various types of exploitation known as modern slavery.
Forced labor, debt bondage, domestic servitude, human trafficking, child labor, forced marriage, and descent-based slavery are all examples of this.
To understand more about slavery, refer to the link:
https://brainly.com/question/9331183
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