I think the most significant cause of World War one was the assassination of the Archduke Franz Ferdinand. The other causes of the war was Imperliasm, Militarism, Nationalism and Alliances that were formed.
Answer:
United States, legal case in which the U.S. Supreme Court ruled on March 3, 1919, that the freedom of speech protection afforded in the U.S. Constitution's First Amendment could be restricted if the words spoken or printed represented to society a “clear and present danger."
Explanation: