The violent act in Bosnia that triggered World War I was t<span>he assassination of Franz Ferdinand, the heir to the Austro-Hungarian throne and his wife in Sarajevo on June 28, 1914. The assassin was Gavrilo Princip, a member of a Serbian nationalist group, called </span>Black Hand<span>. The correct answer among the options given above is letter "B."</span>
Franklin D. Roosevelt was the president who did all of these things.
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Answer:
Hello, Your answer will be B, D.
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