Nixon worked to end “America’s longest war” - the Vietnam War.
Speech includes a written word that is read to address a target audience.
The individual given the speech gives an address on a particular subject to bring clarity on a particular subject matter.
Nixon speech was to address the American.
Therefore, Nixon worked to end “America’s longest war” - the Vietnam War.
Learn more on Nixon speech here,
https://brainly.com/question/26938098
#SPJ1