He supposrted new types of drama and arts.

He created a standing army.

He centralized government power.

He was defeated by Korea and China when he tried to expand his territory into their land.

He did a survey on the country then changed the taxes on the land to quantities of rice. That meant that if you paid a lot of rice to the government as taxes, you must have been rich.

He made a rule that you could no longer be a warrior and a farmer at the same time, so you had to pick one or the other. This made farmers to be disarmed.

He made a society based on formal class structure that in cluded the samurai which were warriors, farmers, merchants, and artisans.