How did japan's relations with china and korea develop after the mongol invasions?

After the Mongol Invasions of Japan that took place in the XIII century, the relations between that country and China and Korea remained conflictive. This was reflected on the invasion of Korea by Japan in the XVI century, when the Koreans authorities refused to allow Japanese forces to march through their territory to attack Imperial China.

the answer is the ku klux klan

whose power in the senate is equal to the power of the speaker of the house?