Another month down, so time to recognize some of the best answers of the past month! Vote for your favorite(s), and submit any that were overlooked!
And as a reminder since I often get asked this, if you want to nominate answers for this, the best way is to participate in the Sunday Digest threads! That is where we draw most nominations from!
/u/iguana_on_a_stick answered "How accurate is the popular view that "uncontrolled immigration led to the fall of the Roman Empire"?"
/u/brigantus answered "Why is the Fertile Crescent now desert?"
/u/freedmenspatrol answered "were Americans allowed to own cannons under the second amendment?"
/u/the_howling_cow answered "When did B-17 bombers meet up with their escorts in WWII?"
/u/kieslowskifan answered "Why did Napoleon want to end the Papal States?"