Unlike nomadic tribes civilizations remained in single place. what was a result of this

According to study island the real answer to this question is

Civilizations developed geographic boundaries.

answer; (b) ; /stronger bonds between the nations of africa

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.