Japan was used as a staging point to hold troops.
Japan was used as a place for rest and relaxation.
Troops spent their money while on R and R.
The answer is the An Lushan Rebellion. The rebellion cost the lives of hundreds of thousands. Although the Tang won the rebellion cost them their central government and the military as well as the economy.
Brick building material became one of the most
B. Open primary since you would not have to declare your party affiliation before you vote.