It caused riots and destruction.
I believe the answer is A.
Answer:
Serbia
Explanation:
Austria-Hungary declares war on Serbia. On July 28, 1914, one month to the day after Archduke Franz Ferdinand of Austria and his wife were killed by a Serbian nationalist in Sarajevo, Austria-Hungary declares war on Serbia, effectively beginning the First World War
The expression 7x-36 is equivalent to this question.
Whereas theDepartment of Defense is charged with military actions abroad, theDepartment of Homeland Security works in the civilian sphere to protect the United States within, at, and outside its borders. Its stated goal is to prepare for, prevent, and respond to domestic emergencies, particularly terrorism.