Which of these is a policy that is inherently protectionist and was adopted by the united states when world war i first broke out in europe?

brinkmanship

patriotism

isolationism

containment

answer; slavery should be outlawed in the new country, was part of the initial draft of the declaration of independence, but not part of the final

world war i began in 1914, after the assassination of archduke franz ferdinand, and lasted until 1918. during the conflict, germany, austria-hungary, bulgaria and the ottoman empire (the central powers) fought against great britain, france, russia, italy, romania, japan and the united states (the allied powers). to new military technologies and the horrors of trench warfare, world war i saw unprecedented levels of carnage and destruction. by the time the war was over and the allied powers claimed victory, more than 16 million people—soldiers and civilians alike—were dead.

explanation: