What country of southwest asia and north africa has seen hundreds of thousands of its people leave the country since 2003?

The country in Southwest Asia and North Africa that has seen hundreds of thousands of its people leave the country to other places since 2003 is the Iraq. This partly because of the political instability. These political unrest caused great number of Iraq citizens to move to the countries which are less peaceful.  Generally, it's such political instability other than natural phenomenon that causes people to move in large numbers in such of new areas where they can settle. 

The correct answer is d