Can Wall of Force be placed in contiguous segments but with 90 degree bends? For example, can Wall of Force be placed in a closed rectangular pattern? How about an "L" or "T" or "E" shape? Can segments be stacked to get a height greater than 10'? Or must all segments be placed in a straight line with no bends?
How useful is Loyalty compared to Economy and Stability? Economy gets you more BPs, Stability wards off unrest and most random events, but Loyalty only seems to matter if you're looting your kingdom or with the random events feud and scandal (and the consequences of failing are not that bad).
Why wouldn't you set taxation at "overwhelming" and festivals at "none" and take the hit in Loyalty?