This is of course a very complicated issue and there are several reasons why this conflict been so difficult to resolve, but the main reason is that both sides are claiming territory that they have both legitimately held.
The attitude of Fernando is best explained by the cognitive dissonance theory which is the one responsible for the person to gain the consistency with their beliefs, opinions, etc. With Fernando's attitude of changing from capital punishment to opposing argument best describes the said theory.
Answer: They had enough cheap labor
Explanation:
A cloud of gas and dust in outer space, visible in the night sky either as an indistinct bright patch or as a dark silhouette against the other luminous matter