How did the military affect the fall of Rome?
Invasions by Barbarian tribes
The most straightforward theory for Western Rome's collapse pins the fall on a string of military losses sustained against outside forces. Rome had tangled with Germanic tribes for centuries, but by the 300s “barbarian” groups like the Goths had encroached beyond the Empire's borders
Explanation:
Because this would ease civil unrest surrounding the Giant probably city destroying bombs that would be maybe placed in your back yard
D. the settlement of unpopulated areas
I would say that the Spanish siesta in places like the very hot ie 45 degrees C plus is still practiced in the heat of the afternoon due to difficulty of working in such heat, but in other climates like say in Spain, it probably would be practiced less due to global competition and the necessity to maintain production throughout the day especially in factories.