What was wang kon’s greatest achievement?
1. conquering korea for china
2. unifying korea under the koryu dynasty
3. creating a system of moveable type
4. promoting the ideals of shintoism

Wang Kon was a decorated leader of Korea in 918 who founded Koryŏ dynasty at Songdo. During his term, on 936, he established a unified kingdom on the Korean peninsula. His technique was the absorption of refugees to his state, even the survivors and the overthrowns.

C, because he has a direct link and profit from the trade. the fastest way by boat to transport those goods is via the panama canal.