That could go both ways, maybe they didnt own a plantation or have use for a slave. But they still could support it. Or, they could be completely against it, and think its completely wrong and dehumanizing, they could help runaway slaves get to the north.
The Equal Protection Clause in the Fifth and Fourteenth Amendments. Both the 5th Amendment and the 14th Amendment of the US Constitution provide all citizens with equal protection of their right to life, liberty and property. The main difference being the 5th Amendment provides it under the Due Process clause.
https://study.com/academy/lesson/the-equal-protection-clause-in-the-fifth-and-fourteenth-amendments.html
This is an extremely late answer, however the answer should be B. Humanism highly stresses that every person should receive education in art, literature, and science. They also stressed how people have so much potential, should they just learn.