How did America become Panem?

How did America become Panem? Some time after this apocalyptic event, survivors from the collapse of civilization in North America eventually founded a new nation in the region of the Rocky Mountain that would come to be known as Panem.

Some time after this apocalyptic event, survivors from the collapse of civilization in North America eventually founded a new nation in the region of the Rocky Mountain that would come to be known as Panem.