How much do you know about Iran? Take our quiz to find out.

The world's focus has turned upon Iran in recent months, as it moves ahead with its nuclear program despite crippling sanctions from the West and the threat of preemptive attack by Israel. But how much do you really know about Iran's history and place in the Middle East? Take our quiz to test your knowledge.

9. Though a key power in the Middle East, Iran has few regional allies. Which nation has been its primary ally?

Shannon Stapleton/Reuters/File
Iranian President Mahmoud Ahmadinejad addresses the United Nations General Assembly at the UN headquarters in New York in 2009.

Egypt

Jordan

Saudi Arabia

Syria

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