5. Why did the cold war end? A. the Americans lost too many proxy wars
B. the Soviet Union collapsed and broke up into 15 independent states
C. the Soviets lost the Soviet Afghanistan war
D. the Soviets lost too many proxy wars

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:

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