How did the alliance system in Europe most likely contribute to the start of World War I? The countries in the alliances sought protection against enemies by sharing military personnel. The countries in the alliances agreed to work together to gain power through colonization. The countries in the alliances agreed to share economic resources based on open trade markets. The countries in the alliances signed treaties agreeing to defend each other in times of war.

The countries in the alliances signed treaties agreeing to defend each other in times of war.

- "schenck v. united states, 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.” "

- speech aimed to potentially create danger could be banned.

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they spoke with the president

explanation: