Use plateau and canyon in a paragraph about landforms
you don't have to write a paragraph just a few sentences including those words

(name) was going to (rocky place) .At the place (same name) found a plateau and a canyon.(Same name) took out his journal and wrote how they look like.(Same name) wrote that the plateau was like a cliff and the canyon was separated. Then you can make the rest up if you up!! 

Popular sovereignty or the authority of the people referenced in the permeable of the constitution . this principle states that government power comes from the consent of the citizens.