The answer for your question is c
These are the events that sparked the World War I:
The assassination of Archduke Franz Ferdinand angered Austria.
The nationalism of Serbia increased tensions in the Balkan peninsula.
Alliances caused a chain of events that pulled each country into war.
Founded in 1836 by Dr. Marcus Whitman<span> and his wife, Narcissa, the </span>Whitman Mission<span> was the site of one of the worst tragedies along the Oregon Trail. The Whitmans, Methodist missionaries, offered religious instruction and medical services to the local Cayuse Indians.</span>
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The breakdown of the wartime alliance between the U.S. and the Soviet Union, then the responsible party for starting the Cold War would be the Soviet Union, because of the Soviet Union's wartime espionage program against the United States.
