Which reason would best support the united states and taking military action

the nation has reached out to the united states for military so that it can prevent the communist takeover and hold elections to determine a new direction for its government. the reason that would best support the united states in taking military action is to support democratic change.

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.

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