How Did Merchants Participate in the Money Economy That Emerged

How did merchants participate in the money economy that emerged in Japan?

A) Dissolved the guilds that no longer served a purpose.
B) Became wealthier than the shogun himself.
C) Used currency in the cities but were forced to retain the barter system in the countryside.
D) Became much wealthier and began to loan money, especially to the out-of-work samurai.
E) Began to travel abroad to expand their business enterprises.