Nicholas Philip Trist, Luis Gonzaga Cuevas, Bernardo Couto, and Miguel Atristain, Treaty of Peace, Friendship, Limits and Settlement between the United States of America and the… (1848)
“ The Mexicans who, in the territories aforesaid, shall not preserve the character of citizens of the Mexican Republic, conformably with what is stipulated in the preceding Article, shall be incorporated into the Union of the United States, and admitted as soon as possible, according to the principles of the Federal Constitution, to the enjoyment of all the rights of citizens of the United States. ”
