حساب تويتر melsaaidy11

للتواصل Eqkawkab@gmail.com

المصادر:- A WORLD UNDONE(book)

https://www.history.com/news/what-was-the-zimmermann-telegram

https://www.bbc.com/news/uk-38581861

https://history.blog.gov.uk/2017/01/16/the-zimmermann-telegram-and-room-40/

THE ECONOMICS OF WORLD WAR I: A COMPARATIVE QUANTITATIVE ANALYSIS , Stephen Broadberry

https://fraser.stlouisfed.org/files/docs/publications/FRB/pages/1915-1919/26873_1915-1919.pdf