During this attack, about US troops were killed.

2,300

Explanation:

The whole question is about Pearl Harbor and how many soldiers were killed from the attack.

no

explanation:

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.