Why did president wilson justify us entry into ww1?

The Zimmerman Telegram was the main argument, the Lusitania sunk well over a year before the Zimmerman was even dreamt of. This telegram called upon Mexico to join the war against America in case of American entry but was quickly intercepted by British lines.

africa

explanation:

the american revolution was by the middle and upper class, and the french was by the lower and middle class.