What were the economic effects of the silver trade?

The devaluation of silver in China had a devastating financial effect on Spain as well — a fact that allowed its European competitors to gain the upper hand in a new global trade focused on sugar, tobacco, gold, and slaves."

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.