What happened in 1903 wright brothers first flight

i looked up you question and i found this on quizlet i hope this is one of your answer choices.

modern american cars are not available due to trade restrictions

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.