Hamby, A.L., Neely, M.S. & Clack, G. (2009). Outline of U.S. history. New York: Nova Science Publishers.
Articles, Websites, and Videos:Read the following:WILLIAM McKINLEY:War Message, 1898. (2020). Mtholyoke.Edu.
Milestones: 1899–1913 – Office of the Historian. (2020). State.Gov.
The Zimmermann Telegram. (2016, August 15). National Archives.
Our Documents – Joint Address to Congress Leading to a Declaration of War Against Germany (1917). (2020).
Our Documents – President Woodrow Wilson’s 14 Points (1918). (2020).
Also see:The following video is the story of how the United States entered World War I. Click on the link below. History.com Editors. (2019). World War I. History Channel.This video is a quick glimpse at what it took to build the Panama Canal and why its economic and political importance.