What systems and events led the outbreak of the First World War in Europe

nationalism, militarism, alliances, and imperialisation

Explanation:

lead to armed conflict and two main sides

it maybe, we dont know. however lucky the lipercon seams guilty

yes

explanation:

the fighting words doctrine, in united states constitutional law, is a limitation to freedom of speech as protected by the first amendment to the united states constitution. in 1942, the u.s. supreme court established the doctrine by a 9–0 decision in chaplinsky v. new hampshire.