by working hard
They used the stairs they built outside of the ziggurat.
Elevators and Escalators
It confirmed their own high status, and prevented upstarts from usurping power.
True.
Upper nubia expands into Southern Sudan. Upper Nubia can de divided into Batn El Hajar or "Belly of Rocks", the sands of the Abri-Delgo Reach, or the flat plains of the Dongola Reach. (http://www.crystalinks.com/nubia.html)
Upper, middle, & lower class.
Upper epidermis is clear so that light can pass through and reach the palisade which are located below
This is lame
As often as they can, practically speaking (since automobile use is still the purview of the upper middle classes - and out of reach of most workers).
You cant because they dont want Team Rocket to get in there.
volcani ash
strectch