Translation of "Revendication" in English

L'enseignant céda à la revendication des étudiants.

The teacher gave way to the students' demand.

Il m'a été difficile de rejeter sa revendication.

It was hard for me to turn down his demand.

Maintenant, la plupart des pays basent leur revendication sur l'ONU

Now, most countries base their claim off the UN