The amendment that has been used, under the Incorporation Doctrine, to apply the Bill of Rights to the states is the Fourteenth Amendment.
The correct answer is the Fourteenth Amendment. The Fourteenth Amendment has been used under the Incorporation Doctrine to apply the Bill of Rights to the states. To confirm this answer, you can search for information on the Incorporation Doctrine and its relation to the Fourteenth Amendment. This can be done through search engines, reliable academic sources, or constitutional law textbooks.
