Question 17 • AVAHS 26-27 CCPS SS US History Gr 11 (45.0810000) YL IC (Fall)
Austria-Hungary declared war on Serbia in July 1914 after the assassination of Archduke Franz Ferdinand. Russia supported Serbia and began mobilizing troops near Austria-Hungary to protect its ally and discourage further attacks. Therefore, the correct choice is A: Austria-Hungary had invaded Serbia, and Russia was allied with Serbia.
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