What best characterizes iraq and afghanistan today?
a. both nations have stable governments.
b. both nations are engaged in warfare.
c. both nations struggle with unrest.
d. both nations are ruled by dictators.

The best answer here would be that Both nations struggle with unrest - C.

Both Iraq and Afghanistan suffer from unrest which shows itself in different ways. This is also the reason why there are a lot of Iraqi refugees streaming into Europe at the moment, together with Syrian and Afghanistan refugees as well. 

The correct answer is c