B) save the Union
He wanted to preserve the Union at any/all costs
Explanation:
The structures of absolute monarchy and the authoritarian state [the Christian Church], who were the dominating sources of governance and learning, were attacked by Enlightenment philosophers, who thought that reason will lead to general and absolute truths. The excesses of both institutions were the basis for this critique.
C. by race
the policy of apartheid separated them by race in south africa