What about the British isle and the Nordic region?
D. they had pyramids and palaces in their centers
Two emerging factors after the War of 1812 that contributed to development of sectionalism were "an increase in the number of men voting" and "the concept of manifest destiny," since both of these led to a more "aggressive" nation that was becoming more and more divided on how to exploit that aggression.
That's a ration like 4 out of 1 or 1 out of 4