The romans were ignorant of the extent of their danger, and the number of their the barbarian world was agitated by the rapid impulse of war. which statement best summarizes gibbon's ideas given above? a) romans were not militarily strong enough to face the barbarians, b) the outside facing rome were greater than romans thought, c) rome had angered the barbarians by making them go to war, d) the wars taking place outside rome were a direct threat to the empire

The correct answer is D.  The wars taking place outside Rome were a direct threat to the empire, The danger for the Roman Empire lay mainly in a continuous increase in population for which the people needed new territories to expand, in addition to the pressure of the external populations, the serious internal instability of the Roman Empire, internal wars, weakened the borders subjected to the aggression of the barbarians. All this facilitated the barbarian invasion.