“nullification”造句，怎么用nullification造句

How can a western President, like the French President, ask for nullification of Iranian election results?

the nullification of a treaty

I have a dream that one day down in Alabama with this governor having his lips dripping with the words of interposition and nullification,one day right down in Alabama little black boys and black girls will be able to join hands with little white boys and white girls as sisters and bothers.