Stephen A. Douglas (1813-1861) was a U.S. politician, leader of the Democratic Party, and orator who espoused the cause of popular sovereignty in relation to the issue of slavery in the territories before the American Civil War (1861-1865). He was re-elected senator from Illinois in 1858 after a series of eloquent debates with the Republican candidate, Abraham Lincoln, who defeated him in the presidential race two years later.
I think you forgot to add some detail but based on my research, the correct answer to this question is "Germany has." That is the key detail in "Wilson's War Message to Congress" that supports his argument for entering the war. Thank you for posting your question. I hope that this answer helped you. Let me know if you need more help.
Unrestricted Submarine Warfare.
Germany attacked whatever because of this tactic, also taking out vessels carrying US citizens, which is unacceptable to the US.
During President Dwight Eisenhower's administration, he came up with the Domino Theory which said that if one nation in the Pacific falls to Communism, so will the rest of Southeast Asia. President John Kennedy agreed with this theory which led to the major actions that he took against the Vietnamese in the early 1960's.
