Which influence was the most important and the least important, on japan. china or korea?

The other areas to greatly impact Japan were the regions of Korea, which was the closest culture to Japan and therefore the main point of contact between Japan and Asia. Through Korea, the major Asian religion Buddhism traveled from China to Japan and became a major influence on Japanese culture. Hope this helped :)

they believed democracy was worth the fight

the correct answer is:

b) a rich merchant.