According to the quote, why does this economist think students should study economics? to learn how to make good economic decisions to limit future possibilities to learn how to become us politicians to become equipped to understand their dreams

unless they converted, many non-christians (mainly jews and muslims) were persecuted

there are no options provided but you can choose among the following gender-neutral pronouns: zir, hir, eir, vis, tem, eir.

in the normal course of maintaining a pronoun-antecedent agreement, we could have used the words his or her but since we are also required to use gender-neutral language, we need to replace it with its equivalent gender-neutral pronoun.