A. Seoul remained in the South and was the capital of SK. What makes it such a perilous position, is that it is located relatively close to the NK border.
They didn't need to pay any expenses whatsoever. They were the main ones who could hold vital positions. Officers in the armed force. Nobles controlled peasants. They didn't need to pay most duties and gathered tolls from individuals utilizing streets and markets. Numerous nobles and clergy lived in awesome extravagance in chateaux and castles.
There are many reasons but here's two
1. The 'war' and invasion etc was fought in the West so the province that you are going to have to raise troops and revenue from to fight the war is the same one where all the fighting takes place.
Meanwhile the 'East' had Anatolia as a heartland for revenue and recruits that was untouched .
<span>2. There is a lot of evidence that it wasn't simply 'barbarian' invasion but also a large element of rebellion against central authority by local forces. These are the people who are supposed to supply your troops and revenue.</span>
<span>The Persian Empire controlled the largest amount of territory in Mesopotamia. </span><span />
