They were used to increase mobility
Some slave owners defended that slaves needed care, feeding, discipline and moral because they could not have that for themselves. So slave owners should provide them that, this was also used as a way to misguide slavery to their advantage.
Many slaves used paternalism to their advantage by finding opportunities to resist their conditions and gain a degree of freedom and autonomy.
Climate change in 14th century Europe brought on a tiny ice age. the crops failed, leading to starvation and famine. that in turn lead to the introduction of Bubonic plague from the far East.
The 1st one, The third one, and The fourth one,
I think it is the bill of right or the American Constitution