Answer:
Slavery.
Explanation:
The Civil War started because the Northern states wanted to abolish slavery and the Southern states wanted to keep their slaves.
The encomienda system was seen as a true trusteeship among the
population, as opposed to the repartimiento system which was seen as
abusive, and was thought to promote unethical behavior.
Because they are racist and racist people love people who are racist like them and so they gain popularity like that
