The Navajo Nation Presidency was created in its current formed on 12/15/1989.
Answer: Option A
Explanation:
The Navajo nation presidency was formed in the current form which it is today in the year 1989 on the fifteenth of December. This decision of changing the Navajo nation presidency and to make what it is today was made when the directives of the federal government guided the council of the tribunal to form and establish the judicial model, the executive model and the legislative model which is in it's current form.
