Why might the administration of justice act have allowed british officials to get away from murder?

How do you know ? what does verne have his characters say and/or that reveal that attitude ?

Why might the spanish government have approved of the encomienda system? a the system allowed for fair treatment of all under it, leading to a happy and prosperous colony. b the system used natives as slaves which meant the government was able to maximize their profit of exported goods. c the system allowed for mostly profitable trade within the different colonies. d the system was a great example of how to successfully run a colony, making spain a world power.

What was mexico giving american in return?