Answer:
the great recession of 2008
The alliance between Great Britain, France, and the United States during WWII was called the Allies. If you're truly in High School; you should know this by now. But I'm not judging-so don't take it the wrong way.
"c. A narrative source" is what a historian would use to get a firsthand account of a past event, since in these sources (which are also primary sources) a person is giving a first-hand account of the event itself.