Developed as needed. I.E. Homeland Security after 9/11.
Soc. answer. as any group gets bigger, so the top of the triangle will to, so to bloated, too many people are paper pushers, and pencil sharperners.
A. B. D. C. C. A. B. C. A. A. D. B.
It is probably westward expansion because that is what the time was called. The divine right meant that god gave the king the “right” to rule a country, so that isn’t an option.