The Answer Is Monetary Policy. Monetary Policy Is implemented by a central bank.
Sōhei (僧兵, "monk soldiers", "warrior monks"[1]) were Buddhist warrior monks, The naginata is the weapon most often associated with them, though in legend as well as history many warrior monks are known to have been proficient with everything from bow and arrow to tantō and wakizashi (dagger and short sword). Many fought on horseback, and many with the ō-yoroi armor of the samurai. The sōhei were also trained to use the heavy kanabō, which was a large club forged of solid iron. Although deadly, this weapon was generally used to defeat an opponent without bloodshed.
Traded: Rice, gold, swords, and timber
Received: Refined sugar, hand-held firearms, galleon-style shipbuilding, and Christianity
They formed guilds to protect and increase profits.
The effect is that chinese culture began to have a great impact on japanese lifestyle.
This is as much as I was able to answer sorry, but I hope what I did answer helped.
This passage refers to the Peace of Westphalia, but is should be noted that taken out of context it could be referring to several different things within that topic itself.
